MODEL H8170/H8171
HYDRAULIC/ELECTRIC
LOG SPLITTER
OWNER'S MANUAL
Copyright © MArCh, 2007 By grizzly industriAl, inC.
WARNING: NO PORTION Of THIS MANUAL MAY bE REPRODUCED IN ANY SHAPE
OR fORM WITHOUT THE WRITTEN APPROvAL Of GRIzzLY INDUSTRIAL, INC.
#JCCr9029 printed in ChinA
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Table of Contents
INTRODUCTION............................................................................................................................... 2
Foreword .................................................................................................................................... 2
Contact info................................................................................................................................ 2
identification ............................................................................................................................... 4
SECTION 1: SAfETY....................................................................................................................... 5
safety instructions for Machinery............................................................................................... 5
Additional safety instructions for hydraulic log splitters .......................................................... 7
SECTION 2: CIRCUIT REQUIREMENTS ........................................................................................ 8
110V operation .......................................................................................................................... 8
SECTION 3: SETUP......................................................................................................................... 9
setup safety .............................................................................................................................. 9
items needed for setup ............................................................................................................. 9
unpacking .................................................................................................................................. 9
inventory................................................................................................................................... 10
site Considerations .................................................................................................................. 10
Assembly.................................................................................................................................. 11
test run................................................................................................................................... 11
SECTION 4: OPERATIONS ........................................................................................................... 12
operation safety ...................................................................................................................... 12
overview .................................................................................................................................. 12
Basic operations...................................................................................................................... 13
removing a Jammed log ........................................................................................................ 13
SECTION 5: MAINTENANCE......................................................................................................... 14
Cleaning ................................................................................................................................... 14
schedule .................................................................................................................................. 14
Checking/Adding hydraulic Fluid ............................................................................................. 14
Changing the hydraulic Fluid .................................................................................................. 15
sharpening the splitting Wedge............................................................................................... 16
SECTION 6: SERvICE ................................................................................................................... 17
troubleshooting........................................................................................................................ 17
h8170/h8171 Wiring diagram................................................................................................ 18
h8170/h8171 hydraulic system schematic ............................................................................ 19
h8170 parts Breakdown - Main Assembly .............................................................................. 20
h8170 parts list....................................................................................................................... 21
h8171 parts Breakdown - Main Assembly .............................................................................. 22
h8171 parts list....................................................................................................................... 23
h8170/h8171 parts Breakdown............................................................................................... 24
Motor Assembly........................................................................................................................ 24
h8170/h8171 safety label parts list...................................................................................... 25
WARRANTY AND RETURNS........................................................................................................ 26
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INTRODUCTION
Contact Info
foreword
if you have any comments regarding this manual,
please write to us at the address below:
We are proud to offer the Model h8170/h8171
hydraulic/electric log splitter. this machine is
part of a growing grizzly family of fine household
equipment. When used according to the guide-
lines set forth in this manual, you can expect
years of trouble-free, enjoyable operation and
proof of grizzly’s commitment to customer satis-
faction.
grizzly industrial, inc.
technical documentation Manager
p.o. Box 2069
C
/o
Bellingham, WA 98227-2069
email: manuals@grizzly.com
the specifications, drawings, and photographs
illustrated in this manual represent the Model
h8170/h8171 when the manual was prepared.
however, owing to grizzly’s policy of continuous
improvement, changes may be made at any time
with no obligation on the part of grizzly.
We stand behind our machines. if you have any
service questions or parts requests, please call or
write us at the location listed below.
grizzly industrial, inc.
1203 lycoming Mall Circle
Muncy, pA 17756
phone: (570) 546-9663
Fax: (800) 438-5901
For your convenience, we always keep current
grizzly manuals available on our website at www.
grizzly.com. Any updates to your machine will be
reflected in these manuals as soon as they are
complete. Visit our site often to check for the lat-
est updates to this manual!
e-Mail: techsupport@grizzly.com
Web site: http://www.grizzly.com
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MACHINe dATA
SHeeT
Customer Service #: (570) 546-9663 • To Order Call: (800) 523-4777 • Fax #: (800) 438-5901
Model H8170/H8171 HYdRAUlIC/eleCTRIC
loG SPlITTeR
Motor:
Type ............................................................................ TEFC Capacitor Start Induction
Horsepower..................................................................................................... 1-3/4 HP
Voltage .................................................................................................................. 110V
Cycle ..................................................................................................................... 60Hz
Amps ...................................................................................................................... 13 A
Dimensions (Length) x Width x Height):
H8170 ................................................................................................37 x 10¼ x 19 in.
H8171..............................................................................................47¼ x 10¼ x 19 in.
Net Weight:
H8170..................................................................................................................99 lbs.
H8171............................................................................................................... 110 lbs.
Hydraulic Oil Capacity:
H8170................................................................................................................1.7 Qts.
H8171................................................................................................................2.5 Qts.
Machines ship filled with oil..................................................................................... Yes
Hydraulic Oil Type:...................................................................................SHELL Tellus 22
.............................................................................................................. MOBIL DTE 11
........................................................................................................ARAL Vitam GF 22
................................................................................................ BP Energol HLP-HM 22
Splitting Force:..................................................................................................10,000 lbs.
Maximum Log Length:
H8170.................................................................................................................14½ in.
H8171.................................................................................................................20½ in.
Log Splitting Diameter (Appx.):.............................................................................2−10 in.
(The actual maximum and minimum splitting diameter for a particular log will depend
on wood species, grain characteristics and moisture content.)
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Identification
A
B
d
C
M
n
l
g
h
i
J
K
F
e
figure 1. h8170/h8171 identification front view.
A. oil tank
b. log pusher
C. log table
o
D. splitting Wedge
E. Front lifting handle
f. support leg
G. log table extension
H. power switch
I. Motor
p
J. Wiring Box
K. Wheel
L. rear lifting handle
M. hydraulic Control lever
N. hydraulic lever guard
O. hydraulic Air Bleed screw
P. oil drain Bolt with dipstick.
figure 2. identification end view.
-4-
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SECTION 1: SAfETY
For Your Own Safety, Read Instruction
Manual Before Operating This Machine
The purpose of safety symbols is to attract your attention to possible hazardous conditions.
This manual uses a series of symbols and signal words intended to convey the level of impor-
tance of the safety messages. The progression of symbols is described below. Remember that
safety messages by themselves do not eliminate danger and are not a substitute for proper
accident prevention measures. Always use common sense and good judgment.
Indicates an imminently hazardous situation which, if not avoided,
WILL result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided,
COULD result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided,
MAY result in minor or moderate injury. It may also be used to alert
against unsafe practices.
This symbol is used to alert the user to useful information about
proper operation of the machine.
NOTICE
Safety Instructions for Machinery
OWNER’S MANUAL. Read and understand this ELECTRICAL EQUIPMENT INJURY RISKS. You
owner’s manual BEFORE using machine.
can be shocked, burned, or killed by touching live
electrical components or improperly grounded
machinery. To reduce this risk, only allow qualified
service personnel to do electrical installation or
repair work, and always disconnect power before
accessing or exposing electrical equipment.
TRAINED OPERATORS ONLY. Untrained oper-
ators have a higher risk of being hurt or killed.
Only allow trained/supervised people to use this
machine. When machine is not being used, dis-
connect power, remove switch keys, or lock-out
machine to prevent unauthorized use—especially
around children. Make workshop kid proof!
DISCONNECT POWER FIRST. Always discon-
nect machine from power supply BEFORE making
adjustments, changingtooling, orservicingmachine.
This prevents an injury risk from unintended startup
or contact with live electrical components.
DANGEROUS ENVIRONMENTS. Do not use
machinery in areas that are wet, cluttered, or have
poor lighting. Operating machinery in these areas
greatly increases the risk of accidents and injury.
EYE PROTECTION. Always wear ANSI-approved
safety glasses or a face shield when operating or
observing machinery to reduce the risk of eye
injury or blindness from flying particles. Everyday
eyeglasses are not approved safety glasses.
MENTAL ALERTNESS REQUIRED. Full mental
alertness is required for safe operation of machin-
ery. Never operate under the influence of drugs or
alcohol, when tired, or when distracted.
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WEARING PROPER APPAREL.- Do- not- wear- FORCING MAChINERY.-Do-not-force-machine.-
clothing,- apparel- or- jewelry- that- can- become-
entangled- in- moving- parts.- Always- tie- back- or-
cover-long-hair.-Wear-non-slip-footwear-to-avoid-
accidental-slips,-which-could-cause-loss-of-work-
piece-control.
It-will-do-the-job-safer-and-better-at-the-rate-for-
which-it-was-designed.
NEVER sTANd ON MAChINE.- Serious- injury-
may- occur- if- machine- is- tipped- or- if- the- cutting-
tool-is-unintentionally-contacted.-
hAzARdOus dusT. Dust- created- while- using-
machinery- may- cause- cancer,- birth- defects,- or-
long-term-respiratory-damage.-Be-aware-of-dust-
hazards-associated-with-each-workpiece-material,-
and-always-wear-a-NIOSH-approved-respirator-to-
reduce-your-risk.
sTABLE MAChINE. Unexpected-movement-dur-
ing- operation- greatly- increases- risk- of- injury- or-
loss-of-control.-Before-starting,-verify-machine-is-
stable-and-mobile-base-(if-used)-is-locked.
usE RECOMMENdEd ACCEssORIEs.-Consult-
this-owner’s-manual-or-the-manufacturer-for-rec-
ommended- accessories.- Using- improper- acces-
sories-will-increase-the-risk-of-serious-injury.
hEARING PROTECTION.- Always- wear- hear-
ing-protection-when-operating-or-observing-loud-
machinery.- Extended- exposure- to- this- noise-
without-hearing-protection-can-cause-permanent-
hearing-loss.
uNATTENdEd OPERATION. To- reduce- the-
risk- of- accidental- injury,- turn- machine- off- and-
ensure- all- moving- parts- completely- stop- before-
walking- away.- Never- leave- machine- running-
while-unattended.-
REMOVE AdJusTING TOOLs.- Tools- left- on-
machinery- can- become- dangerous- projectiles-
upon-startup.-Never-leave-chuck-keys,-wrenches,-
or- any- other- tools- on- machine.- Always- verify-
removal-before-starting!
MAINTAIN WITh CARE.-Follow-all-maintenance-
instructions- and- lubrication- schedules- to- keep-
machine- in- good- working- condition.- A- machine-
that- is- improperly- maintained- could- malfunction,-
INTENdEd usAGE.- Only- use- machine- for- its-
intended-purpose-and-never-make-modifications-
not- approved- by- Grizzly.- Modifying- machine- or- leading-to-serious-personal-injury-or-death.-
using- it- differently- than- intended- may- result- in-
ChECK dAMAGEd PARTs.- Regularly- inspect-
machine- for- any- condition- that- may- affect- safe-
operation.-Immediately-repair-or-replace-damaged-
or-mis-adjusted-parts-before-operating-machine.
malfunction-or-mechanical-failure-that-can-lead-to-
serious-personal-injury-or-death!
AWKWARd POsITIONs.- Keep- proper- footing-
and-balance-at-all-times-when-operating-machine.-
Do-not-overreach!-Avoid-awkward-hand-positions-
that-make-workpiece-control-difficult-or-increase-
the-risk-of-accidental-injury.
MAINTAIN POWER CORds. When-disconnect-
ing- cord-connected- machines- from- power,- grab-
and-pull-the-plug—NOT-the-cord.-Pulling-the-cord-
may- damage- the- wires- inside.- Do- not- handle-
cord/plug-with-wet-hands.-Avoid-cord-damage-by-
keeping-it-away-from-heated-surfaces,-high-traffic-
areas,-harsh-chemicals,-and-wet/damp-locations.
ChILdREN & BYsTANdERs. Keep-children-and-
bystanders-at-a-safe-distance-from-the-work-area.
Stop-using-machine-if-they-become-a-distraction.
GuARds & COVERs.-Guards-and-covers-reduce-
accidental- contact- with- moving- parts- or- flying-
debris.- Make- sure- they- are- properly- installed,-
undamaged,-and-working-correctly.
EXPERIENCING dIFFICuLTIEs. If- at- any- time-
you-experience-difficulties-performing-the-intend-
ed-operation,-stop-using-the-machine!-Contact-our-
Technical-Support-at-(570)-546-9663.
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Additional Safety Instructions for Hydraulic
Log Splitters
NEvER USE THE LOG SPLITTER fOR ANY
PURPOSE OTHER THAN SPLITTING WOOD.
DO
THE
NOT
ATTEMPT
MAXIMUM
TO
CHANGE
PRESSURE
SETTING ON THIS LOG SPLITTER.
Adjusting the pressure limit screw may cause
a hydraulic explosion and seriously injure the
operator and bystanders.
NEvER ALLOW OTHERS TO ASSIST THE
OPERATOR IN LOADING OR SPLITTING
LOGS.
KEEP CHILDREN AWAY fROM THE LOG
SPLITTER AT ALL TIMES! IT IS NOT A TOY.
bE fAMILIAR WITH THE HAzARDS Of
HYDRAULIC INJECTION INJURIES. leaking
hydraulic fluid may be under sufficient pressure
to penetrate skin. hydraulic fluid injected into
skin is a medical emergency and may, if not
treated promptly, result in infection, disability,
or death.
NEvER LEAvE THE SPLITTER UNATTENDED
AND ALWAYS STORE IT IN A LOCKED
LOCATION WHEN IT IS NOT IN USE.
fOLLOW THE INSTRUCTIONS IN THIS
MANUAL TO RELEASE LOGS THAT bECOME
JAMMED ON THE SPLITTING HEAD. Be aware
that logs with high moisture content will be more
difficult to split and more likely to jam.
NEvER USE HANDS TO CHECK fOR
HYDRAULIC LEAKS. Always wear gloves
when operating hydraulic equipment.
PROTECT EYES WHEN WORKING AROUND
HYDRAULIC EQUIPENT. safety glasses may
not be sufficient to protect your eyes from hot
pressurized fluid. stay away from leaks until the
system is depressurized.
bE AWARE THAT LOGS WITH EXTENSIvE
KNOTTINGMAYbEDIffICULTORIMPOSSIbLE
TO SPLIT. Making repeated attempts to split an
unsuitable log will increase wear on the splitter
and increase the risk of operator injury.
STOP THE MACHINE IMMEDIATELY If IT
LEAKS HYDRAULIC fLUID. Allowing the
machine to run with a leak significantly increas-
es the risk of injury.
NEvER ATTEMPT TO SPLIT MORE THAN ONE
LOG AT A TIME. doing so may cause logs to fly
off the splitter with great force, resulting in serious
injury or death.
NEvER fORCE HYDRAULIC EQUIPMENT
TO APPLY MORE PRESSURE THAN IT IS
DESIGNED TO EXERT. pushing hydraulic
equipment beyond the limitations of design can
easily damage hydraulic systems and increase
the risk of operator injury.
NEvER USE ANY PART Of YOUR bODY TO
GUIDE OR STEADY A LOG WHEN THE RAM
IS MOvING. Failure to follow this instruction can
result in serious personal injury, including loss of
limbs.
REGULARLY CHECK THE HYDRAULIC
fLUID LEvEL AND ADD fLUID WHEN
NEEDED.
-7-
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SECTION 2: CIRCUIT REQUIREMENTS
110v Operation
Electrocution or fire could
result if this machine is
not grounded correctly or
if your electrical configu-
Serious personal injury could occur if you
ration does not comply
connect the machine to the power source
with local and state codes.
before you have completed the set up pro-
Ensure compliance by
cess. DO NOT connect the machine to the
checking with a qualified
power source until instructed to do so.
electrician!
Amperage Draw
the Model h8170/h8171 motor draws the follow-
ing amps under maximum load:
Motor draw............................................ 13 Amps
Circuit Recommendations
We recommend connecting your machine to a
dedicated and grounded circuit that is rated for
SHOCK HAZARD!
the amperage given below. never replace a circuit
breaker on an existing circuit with one of higher
amperage without consulting a qualified electri-
cian to ensure compliance with wiring codes. If
you are unsure about the wiring codes in your
area or you plan to connect your machine to a
shared circuit, consult a qualified electrician.
Two-prong outlets do not meet the grounding
requirements for this machine. Do not modify
or use an adapter on the plug provided—if
it will not fit the outlet, have a qualified
electrician install the proper outlet with a
verified ground.
110V Circuit...........................................20 Amps
Extension Cords
Follow these instructions when using an exten-
sion cord with your log splitter:
Plug/Receptacle Type
included plug type........................... neMA 5-15
•
•
•
use at least a 12 gauge cord that does not
exceed 50 feet in length!
GROUNDED
5-15 RECEPTACLE
the cord must have a ground wire and plug
pin; always keep the cord and plug dry.
Grounding Prong
A qualified electrician Must size cords over
50 feet long to prevent motor damage.
5-15 PLUG
Neutral Hot
figure 3. typical type 5-15 plug and receptacle.
-8-
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SECTION 3: SETUP
SetUp Safety
Items Needed for
Setup
the following items are needed to complete the
setup process, but are not included with your
machine:
This machine presents
serious injury hazards
to untrained users. Read
through this entire manu-
al to become familiar with
the controls and opera-
tions before starting the
machine!
Description
Qty
•
•
•
•
lifting Assistance ........................As needed
Wrench 14mm............................................ 1
safety glasses ...........1 pr. for each person
gloves ........................1 pr. for each person
Unpacking
Wear safety glasses dur-
ing the entire setup pro-
cess!
your machine was carefully packaged for safe
transportation. remove the packaging materials
from around your machine and inspect it. if you
discover the machine is damaged, please imme-
diately call Customer Service at (570) 546-9663
for advice.
Wear gloves during the
entire setup process and
during operations!
save the containers and all packing materials for
possible inspection by the carrier or its agent.
Otherwise, filing a freight claim can be difficult.
This log splitter is heavy.
When you are completely satisfied with the condi-
tion of your shipment, inventory the contents.
Get
help
whenever
moving the log splitter
between worksites and
lifting it to an elevated
work surface.
-9-
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Inventory
Site Considerations
After all the parts have been removed from
the shipping box you should have the following
items:
Work Surface
Always use the splitter on a flat, stable work sur-
face. operating your splitter will be easiest when
the controls are waist high. At minimum, your
work surface must safely support the combined
weight of splitter and the heaviest log you intend
to split.
box Contents (figure 4):
Qty
A. log splitter Body........................................ 1
b. support leg................................................ 1
C. hardware Bag (not shown)........................ 1
— Carriage Bolts M8-1.25 x 10 ................. 5
— hex nuts M8-1.25.................................. 5
Working Clearances
Allow enough room on all sides to move logs to
and from the splitter. refer to the Machine Data
Sheet for the dimensions of your splitter.
Moving the Splitter
A
the wheels on the Model h8170/h8171 make it
possible for one person to move it short distances.
however, the rugged design of your splitter makes
it heavy; we recommend that you get assistance
whenever lifting it.
B
To move the splitter :
1. disConneCt the log splitter FroM
figure 4. h8170/h8171 inventory.
the poWer supply!
if any nonproprietary parts are missing (e.g. a
nut or a washer), we will gladly replace them; or
for the sake of expediency, replacements can be
obtained at your local hardware store.
2. Close the air bleeder screw by turning it
clockwise (viewed from the rear of the split-
ter) until it stops. this will prevent hydraulic
fluid from leaking out during the move.
3. grab the front handle and lift until the wheels
carry the load of the rear end. you will need
to raise the front end about 15" to shift the
load to the wheels. roll the splitter to the
desired location and lower the front end.
NOTICE
Some hardware/fasteners on the inventory
list may arrive pre-installed. Check mount-
ing locations before assuming that any
items from the inventory list are missing.
4. open the air bleeder screw by turning it
counterclockwise two full turns.
To lift the splitter:
1. do Steps 1–2, above.
2. get an assistant to help you to lift the split-
ter and carry it to the new worksite; use the
handles at each end.
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Assembly
Test Run
the only assembly required is attaching the sup-
port leg to the splitter assembly.
Before you begin operations, do Steps 1–5 below
to make sure your splitter is running properly.
Components and Hardware Needed:
Qty
Carriage Bolts M8-1.25 x 10.............................. 5
hex nut M8-1.25................................................ 5
To test run the log splitter:
1. Make sure that all tools and other materials
are cleared away from the machine.
To attach the support leg:
1. Carefully lay the splitter on its side, with the
wiring box facing up.
2. review SECTIONS 1 and 2 (SAfETY and
CIRCUIT REQUIREMENTS) on Pages 15-
8 and connect your machine to the power
source.
2. use the carriage bolts and nuts to secure the
support leg to the splitter body as shown in
figure 5.
3. turn the air bleed screw clockwise (as you
face the rear of the splitter) until it stops, then
turn it counterclockwise two full turns.
4. press the on button in and, while holding it
down, push the hydraulic control lever down.
the ram should move forward, stopping
about 83⁄8" from the splitting wedge.
Note: For your safety, both the ON button
and the hydraulic lever must be engaged to
start the ram moving forward.
5. When the ram stops moving forward, release
both on button and the control lever. the
motor will stop running and the ram will slide
back to the start position.
figure 5. Attaching the support leg.
—if the ram moves as described in Steps
4–5, then the splitter is working properly
and the test run is complete.
—if the ram does not operate as described,
or if the splitter vibrates excessively or
makes unusual noises, stop using the
splitter immediately, disconnect the split-
ter from the power supply and refer to
Troubleshooting on Page 17 if you still
cannot resolve the problem, contact our
technical support at (570) 546-9663.
-11-
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SECTION 4: OPERATIONS
Operation Safety
Overview
When you press the on button, the electric mo-
tor pressurizes hydraulic fluid. When you push the
control lever down, the pressurized fluid moves
the pusher forward, pressing the log into the split-
ting wedge.
Damage to your eyes, lungs, and ears could
result from using this machine without
proper protective gear. Always wear safety
glasses, a respirator, and hearing protection
when operating this machine.
to operate the splitter you must use both hands to
activate the controls simultaneiously. see figure
6 for the position of the controls and hands during
operation.
hydraulic Control lever
on
Button
Loose hair and cloth-
ing could get caught in
machinery and cause seri-
ous personal injury. Keep
loose clothing and long
hair away from moving
machinery.
figure 6. operating the basic controls.
Always wear gloves
when operating this log
splitter!
NOTICE
If you have never used this type of machine
or equipment before, WE STRONGLY REC-
OMMEND that you read books, trade maga-
zines, or get formal training before begin-
ning any projects. Regardless of the con-
tent in this section, Grizzly Industrial will
not be held liable for accidents caused by
lack of training.
-12-
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basic Operations
Removing a Jammed
Log
locate the splitter as close as possible to the logs
you will split. refer to CIRCUIT REQUIREMENTS,
on Page 8 for the maximum length of extension
cords.
if a log does not split and becomes jammed on
the splitting wedge, do not try to clear it by hit-
ting it from the side or kicking it; this can result in
personal injury and damage the splitter.
To split a log:
To safely remove a jammed log:
1. Make sure the bleeder screw is open by first
turning it clockwise until it stops and then
turning it counterclockwise two full turns.
1. With the ram fully back, set a wooden wedge
flat side down on the bed with the narrow end
pointing under the log as shown in figure 8.
2. place the log squarely on the bed as shown
in figure 7. do not try to split a log against
the grain by laying it sideways on the bed.
splitting
Wedge
Wood
Wedge
splitter Bed
figure 8. using a wedge to clear a jam.
figure 7. placing a log on the splitter bed.
Note: A piece of split wood set crossways on
the bed may make a good wedge, but it must
narrow enough to slide under the end of the
jammed log.
3. With your body and clothing away from log
and the hydraulic ram, depress and hold the
ON button, then push the control lever down.
Keep pressing the on button while holding
the control arm down; the ram will push the
log into the splitting head. When the ram
stops, immediatley release both the on but-
ton and control arm.
2. start the splitter to push the wedge under the
jammed log until the log lifts off the splitting
head.
Note: If the first wedge does not free the
log, repeat the process using wedges with
steeper slopes until the log is free.
Note: The hydraulic system will be damaged
if you try to force the ram forward by holding
the controls in the on position after the ram
stops.
4. Clear the pieces of split wood away from the
splitter.
-13-
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SECTION 5: MAINTENANCE
Checking/Adding
Always disconnect power
to the machine before
performing maintenance.
Hydraulic fluid
failure to do this may
result in serious person-
al injury.
the oil fill plug on the Model h8170/h8171 has a
dipstick attached. the fill plug is located under the
bleed screw on the back of the splitter.
To check the fluid level:
Cleaning
1. use the front lifting handle to raise the split-
ter to a vertical position, motor end up. Make
sure the ram is fully retracted and have an
For optimum performance from your log splitter,
assistant hold the splitter steady.
clean it with a brush after every use and wipe it
down occasionally with a rag. to prevent rusting,
dry the log splitter thoroughly after every use.
plug/dipstick, as shown in figure 9.
2. use an 8mm hex wrench to remove the fill
Schedule
Follow the maintenance schedule below and refer
to any specific instructions given in this section.
before each use, check for:
oil Fill plug
•
•
•
•
low hydraulic fluid level.
loose hardware.
leaking hydraulic fluid.
Any other unsafe or abnormal condition.
figure 9. removing the oil fill plug.
Every 150 hours of use:
replace old hydraulic fluid with new.
3. Wipe off the dipstick and use it to check the
oil level as shown in figure 10.
•
As needed:
•
remove rust from the splitting wedge and
Add range
apply rust-preventative touch-up paint to bare
surfaces.
Full range
figure 10. Checking the fluid level.
-14-
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—if the oil level is at least halfway between
the two grooves, no additional oil is needed
–wipe the dipstick clean, return the plug,
and tighten it.
To change the hydraulic fluid:
1. disConneCt the splitter FroM the
poWer sourCe!
—if the oil level is close to the lower mark,
add fluid through the oil plug hole until the
level is at the top line, then tighten the fill
plug.
2. With the help of an assistant, tip the splitter
back, motor end down, and place a basin
under the fill plug to catch the oil as shown in
figure 11.
Changing the
Hydraulic fluid
Change the hydraulic fluid after each 150 hours
of operation. see the Machine Data Sheet for
fluid requirements and capacities of your model.
Failure to follow tthese instructions may damage
your machine and cause serious personal injury.
figure 11. draining hydraulic fluid.
3. remove the oil fill plug. As the fluid drains
into the basin, loosen the bleeder screw two
full turns.
Always wear protective
gloves when changing
hydraulic fluid.
4. While holding a clean rag over the fill open-
ing, tip the splitter upright, motor end up.
have your assistant hold it steady.
Always wear safety gog-
gles when the changing
hydraulic fluid.
5
pour new oil into the fill plug hole. Check the
fluid level frequently as you add oil. Fill to
until the oil level is between the two grooves
on the dipstick, then replace the fill plug and
tighten.
Note: Remember to fully tighten the fill plug
before removing it to check the fluid level. If
you do not, you run the risk of over-filling,
which can result in machine damage.
-15-
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Sharpening the
Splitting Wedge
Wedge too Sharp
Always wear protective,
gloves when sharpening
the splitting wedge.
during the life of your log splitter, you will need
to sharpen the splitting wedge perodically. When
sharpening the wedge,m keep in mind that if you
try and keep the wedge sharpened to a razor
point (like an axe blade), you will greatly reduce
the life of the wedge by always sharpening it.
however, if you allow the point to become very
dull or bullnosed, your log splitter will have to
overwork to split logs and wear out. the optimum
point is somewhere between. refer to figure 12
for a general idea.
Wedge too Dull
Wedge Just Right
figure 12. Wedge points.
-16-
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SECTION 6: SERvICE
review the troubleshooting and procedures in this section to fix or adjust your machine if a problem devel-
ops. if you need replacement parts or you are unsure of your repair skills, then feel free to call our technical
support at (570) 546-9663.
Troubleshooting
Operation Tshooting
symptom
possible Cause
possible solution
Machine does not
start or a breaker
trips.
1. plug/receptacle is at fault or wired incor- 1. test for good contacts; correct the wiring.
rectly.
2. power supply is at fault/switched oFF.
2. ensure hot lines have correct voltage on all legs and
main power supply is switched on.
3. Motor on/oFF switch is at fault.
4. Wiring is open/has high resistance.
3. replace faulty on/oFF switch.
4. Check for broken wires or disconnected/corroded
connections, and repair/replace as necessary.
5. test/repair/replace.
5. start capacitor faulty.
6. Motor is at fault.
6. test/repair/replace.
Machine stalls or is 1. plug/receptacle is at fault.
1. test for good contacts; correct the wiring.
2. Move splitter closer to the power supply.
3. test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
underpowered.
2. excessively long extension cord.
3. Motor bearings are at fault.
4. Machine is undersized for the task.
5. Motor has overheated.
6. Motor is at fault.
4. stop operation.
5. Clean off motor, let cool, and reduce workload.
6. test/repair/replace.
Machine has
vibration or noisy
operation.
1. Motor or component is loose.
2. Motor fan is rubbing on fan cover.
3. dirt in motor fan enclosure
1. inspect/replace stripped or damaged bolts/nuts, and
re-tighten with thread locking fluid.
2. replace dented fan cover; replace loose/damaged
fan.
3. Clean, reassemble.
electric motor
1. Bleeder screw closed.
2. hydraulic fluid low.
1. open screw two full turns.
2. Check fluid level, add fluid.
operating properly
but the hydraulic
ram won’t split logs.
3. hydraulic system damaged or fluid is leak- 3. repair/replace damaged parts.
ing out.
ram works, but logs 1. log unsuitable: twisted grain, high moisture 1. don’t attempt to split unsuitable logs.
are hard to split.
content, heavily knotted.
2. splitting wedge is dull.
2. sharpen wedge.
3. splitting wedge is damaged.
3. stop operations/repair wedge.
ram does not
retract properly.
1. debris lodged in the ram return path or in 1. Clear debris.
the return springs.
2. damaged seals in hydraulic system.
2. repair/replace damaged parts.
-17-
H8170/H8171 Hydraulic/Electric Log Splitter
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H8170/H8171 Wiring Diagram
COLOR KEY
Bk
BLACK
Wt
Gn
WHITE
GREEN
RED
Rd
Bl
MOTOR
1-3/4 HP
(110V)
BLUE
Rd
Rd
Bl
Bl
Ground
Bl
Rd
Bk
Green
Wt
Ground
Gn
Start
Gn
Capacitor
60MFD
300VAC
Gn
Bk
White
Bk
5-15 Plug
110 VAC
Wt
Neutral
Wt
Black
Hot
-18-
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H8170/H8171 Hydraulic System Schematic
NOTICE
identify hydraulic system components.
before servicing the hydraulic system
always disconnect the motor from power,
and depressurize the hydraulic system by
This hydraulic schematic will help the you
However, it is not intended to be a how-to
moving the control lever back and fourth a
repair guide. Seek assistance from a profes-
few times. Ignoring this warning can lead
sional hydraulic technician whenever ser-
to hydraulic fluid poisoning, which is a
vicing or repairing the hydraulic system.
serious and potentially fatal injury.
Cylinder
Ram
Tank
Control
Valve
Pressure
Relief
Valve
Tank
Pump
Motor
Tank
-19-
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H8170 Parts List
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
1
PCAP28M
PH8170002
PH8170003
PCAP14M
PH8170005
PH8170006
PH8170007
PH8170008
PH8170009
PH8170010
PH8170011
PH8170012
PH8170013
PH8171014
PH8171015
PH8171016
PH8171017
PH8170018
PLW03M
CAP SCREW M6-1 X 15
REAR LIFTING HANDLE
PLASTIC HOOD
44
45
52
53
54
55
56
57
58
59
60
61
62
63
65
71
72
73
74
75
76
77
78
79
80
81
94
PLW04M
LOCK WASHER 8MM
FLAT WASHER 8MM
WHEEL CAP
2
PW01M
3
PH8170052
PR03M
4
CAP SCREW M8-1.25 X 20
HYDRAULIC CYLINDER
PISTON
EXT RETAINING RING 12MM
WHEEL
5
PH8170054
PH8170055
PB26M
6
WHEEL AXLE FRAME
HEX BOLT M8-1.25 X 30
REAR BRACKET
SHAFT
7
PISTON RING 5.5MM
PISTON SEAL 25 X 3.55MM
STUD-DE M10-1.5 X 383 34/34
FRONT CYLINDER COVER
PISTON GASKET
8
PH8170057
PH8170058
PH8170059
PH8170060
PH8170061
PH8170062
PH8170063
PH8170065
PH8170071
PH8170072
PH8170073
PH8170074
PH8170075
PH8170076
PN18M
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
40
43
LEVER KNOB
HYDRAULIC LEVER
HYDRAULIC LEVER SCREW
HYDRAULIC LEVER GUARD
LEVER GUARD SCREW
VALVE CONTROL ASSEMBLY
RUBBER SEAL
PISTON ROD 12"
NYLON SLEEVE
LEFT SPRING GUARD
SPRING ROD
BED ASSEMBLY
RETRACTING SPRING
SPRING HOOD BRACKET
LOCK WASHER 6MM
CAP SCREW M6-1 X 10
RIGHT SPRING GUARD
CARRIAGE BOLT M8-1.25 X 10
HEX NUT M8-1.25
ALUMINUM COVER
COMPRESSION SPRING
O-RING
PCAP04M
PH8170021
PCB02M
SCREW PLUG
COPPER GASKET
ACORN NUT M8-1.25
O-RING
PN03M
PH8170078
PH8170079
PH8170080
PH8170081
PH8170094
PH8170024
PB26M
SUPPORT LEG
BLEED SCREW
HEX BOLT M8-1.25 X 30
FLAT WASHER 5MM
HEX BOLT M5-.8 X 30
O-RING
PW02M
DIPSTICK
PB93M
RUBBER SLEEVE
-21-
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H8171 Parts List
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
1
PSB28M
CAP SCREW M6-1 X 15
REAR LIFTING HANDLE
PLASTIC HOOD
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
65
71
72
73
74
75
76
77
78
79
80
81
82
PH8170048
PH8170049
PH8170050
PH8170051
PH8170052
PR03M
O-RING
2
PH8170002
PH8170003
PSB14M
SCREW
3
O-RING
4
CAP SCREW M8-1.25 X 20
HYDRAULIC CYLINDER
PISTON
DRAIN PLUG
5
PH8170005
PH8170006
PH8170007
PH8170008
PH8170009
PH8170010
PH8170011
PH8171012
PH8170013
PH8170014
PH8170015
PH8170016
PH8170017
PH8170018
PLW03M
WHEEL CAP
6
EXT RETAINING RING 12MM
WHEEL
7
PISTON RING
PH8170054
PH8170055
PB26M
8
PISTON SEAL
WHEEL AXLE FRAME
HEX BOLT M8-1.25 X 30
REAR BRACKET
SHAFT
9
STUD
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
28
36
37
39
40
41
43
44
45
46
47
FRONT CYLINDER COVER
PISTON GASKET
PISTON ROD 16"
PH8170057
PH8170058
PH8170059
PH8170060
PH8170061
PH8170062
PH8170063
PH8170065
PH8170071
PH8170072
PH8170073
PH8170074
PH8170075
PH8170076
PN18M
LEVER KNOB
NYLON SLEEVE
HYDRAULIC LEVER
SPECIAL SCREW
HYDRAULIC LEVER GUARD
SPECIAL SCREW
VALVE CONTROL ASSEMBLY
RUBBER SEAL
ALUMINUM PLUG
SPRING
LEFT SPRING GUARD
SPRING ROD
BED ASSEMBLY
RETRACTING SPRING
SPRING HOOD BRACKET
LOCK WASHER 6MM
CAP SCREW M6-1 X 10
RIGHT SPRING GUARD
CARRIAGE BOLT M8-1.25 X 10
HEX NUT M8-1.25
SUPPORT LEG
PSB04M
PH8170021
PCB02M
O-RING
SCREW PLUG
PN03M
COPPER GASKET
ACORN NUT M8-1.25
O-RING
PH8170024
PB26M
HEX BOLT M8-1.25 X 30
O-RING
PH8170078
PH8170079
PH8170080
PH8170081
PH8170082
PH8170028
PB93M
BLEED SCREW
O-RING
HEX BOLT M5-.8 X 30
SPECIAL WASHER
LOCK WASHER 5MM
FLAT WASHER 5MM
HEX NUT M5-.8
PH8170037
PLW01M
DIPSTICK
1-3/4 HP SINGLE PHASE MOTOR
PW02M
82-1 PH8170082-1 MOTOR FAN COVER
82-2 PH8170082-2 MOTOR FAN
PN06M
PB93M
HEX BOLT M5-.8 X 30
LOCK WASHER 8MM
FLAT WASHER 8MM
SPRING
82-3 PH8170082-3 START CAPACITOR 60MFD 3000VAC
82-4 PH8170082-4 PUSH BUTTON SWITCH
PLW04M
PW01M
92
93
94
PH8171092
PH8171093
PH8170094
SLIDING PUSHER
PIN
PH8170046
PH8170047
STEEL BALL
RUBBER SLEEVE
-23-
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H8170/H8171 Parts breakdown
Motor Assembly
43
NOTE:
Unnumbered
Parts are Only
Available In
Gear Pump
Assembly,
Item 26
44
45
46
26
47
48
49
50
51
82-1
39
36
82
40
41
82-2
82-3
82-4
95
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
26
36
39
40
41
43
44
45
46
47
PH8170026
PB93M
COMPLETE GEAR PUMP ASSY
HEX BOLT M5-.8 X 30
LOCK WASHER 5MM
FLAT WASHER 5MM
HEX NUT M5-.8
48
49
50
51
82
PH8170048
PH8170049
PH8170050
PH8170051
PH8170082
O-RING
SCREW
PLW01M
PW02M
O-RING
DRAIN PLUG
PN06M
MOTOR 1-3/4HP 110V 1PH
PB93M
HEX BOLT M5-.8 X 30
LOCK WASHER 8MM
FLAT WASHER 8MM
COMPRESSION SPRING
STEEL BALL
82-1 PH8170082-1 MOTOR FAN COVER
82-2 PH8170082-2 MOTOR FAN
PLW04M
PW01M
82-3 PH8170082-3 S CAPACITOR 60M 300V
82-4 PH8170082-4 PUSH BUTTON SWITCH
PH8170046
PH8170047
95
PH8171095
POWER CORD 14G 3W 5-15
-24-
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H8170/H8171 Safety Label Parts List
84
85
83
86
87
91
89
88
90
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
83
84
85
86
87
PH8170083 BLEEDER SCREW LABEL
PH8170084 MACHINE ID LABEL (H8170)
PH8171084 MACHINE ID LABEL (H8171)
PH8170086 CRUSHING HAZARD LABEL 1
PH8170087 CRUSHING HAZARD LABEL 2
88
89
90
91
PLABEL-55 ENTANGLEMENT HAZARD 2W X 3.3H
PLABEL-11A SAFETY GLASSES 2W X 3.3H V2.04.08
PLABEL-14 ELECTRICITY 1.4W X 1.2H
PLABEL-12A READ MANUAL 2W X 3.3H V2.07.05
Safety labels warn about machine hazards and ways to prevent injury. The owner of this machine
MUST maintain the original location and readability of the labels on the machine. If any label is
removed or becomes unreadable, REPLACE that label before using the machine again. Contact
-25-
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WARRANTY AND RETURNS
grizzly industrial, inc. warrants every product it sells for a period of 1 year to the original purchaser from
the date of purchase. this warranty does not apply to defects due directly or indirectly to misuse, abuse,
negligence, accidents, repairs or alterations or lack of maintenance. this is grizzly’s sole written warranty
and any and all warranties that may be implied by law, including any merchantability or fitness, for any par-
ticular purpose, are hereby limited to the duration of this written warranty. We do not warrant or represent
that the merchandise complies with the provisions of any law or acts unless the manufacturer so warrants.
in no event shall grizzly’s liability under this warranty exceed the purchase price paid for the product and
any legal actions brought against grizzly shall be tried in the state of Washington, County of Whatcom.
We shall in no event be liable for death, injuries to persons or property or for incidental, contingent, special,
or consequential damages arising from the use of our products.
to take advantage of this warranty, contact us by mail or phone and give us all the details. We will then
issue you a “return number,’’ which must be clearly posted on the outside as well as the inside of the
carton. We will not accept any item back without this number. proof of purchase must accompany the
merchandise.
the manufacturers reserve the right to change specifications at any time because they constantly strive to
achieve better quality equipment. We make every effort to ensure that our products meet high quality and
durability standards and we hope you never need to use this warranty.
please feel free to write or call us if you have any questions about the machine or the manual.
thank you again for your business and continued support. We hope to serve you again soon.
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WARRANTY CARD
Name_____________________________________________________________________________
Street_____________________________________________________________________________
City _______________________ State_________________________ Zip _____________________
Phone #____________________ Email _________________________________________________
Model # ____________________ Order #_______________________ Serial #__________________
The following information is given on a voluntary basis. It will be used for marketing purposes to help us develop
better products and services. Of course, all information is strictly confidential.
1. How did you learn about us?
____ Advertisement
____ Card Deck
____ Friend
____ Website
____ Catalog
____ Other:
2. Which of the following magazines do you subscribe to?
____ Cabinetmaker & FDM
____ Family Handyman
____ Hand Loader
____ Popular Science
____ Popular Woodworking
____ Precision Shooter
____ Projects in Metal
____ RC Modeler
____ Rifle
____ Shop Notes
____ Wooden Boat
____ Woodshop News
____ Woodsmith
____ Handy
____ Woodwork
____ Home Shop Machinist
____ Journal of Light Cont.
____ Live Steam
____ Woodworker West
____ Woodworker’s Journal
____ Other:
____ Model Airplane News
____ Old House Journal
____ Popular Mechanics
____ Shotgun News
____ Today’s Homeowner
____ Wood
3. What is your annual household income?
____ $20,000-$29,000
____ $30,000-$39,000
____ $40,000-$49,000
____ $70,000+
____ $50,000-$59,000
____ $60,000-$69,000
4. What is your age group?
____ 20-29
____ 30-39
____ 60-69
____ 40-49
____ 70+
____ 50-59
5. How long have you been a woodworker/metalworker?
____ 0-2 Years ____ 2-8 Years
____ 8-20 Years
____20+ Years
____10+
6. How many of your machines or tools are Grizzly?
____ 0-2 ____ 3-5
____ 6-9
7. Do you think your machine represents a good value?
8. Would you recommend Grizzly Industrial to a friend?
_____Yes
_____Yes
_____No
_____No
9. Would you allow us to use your name as a reference for Grizzly customers in your area?
Note: We never use names more than 3 times. _____Yes _____No
10. Comments:_____________________________________________________________________
_________________________________________________________________________________
_________________________________________________________________________________
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FOLD ALONG DOTTED LINE
Place
Stamp
Here
GRIZZLY INDUSTRIAL, INC.
P.O. BOX 2069
BELLINGHAM, WA 98227-2069
FOLD ALONG DOTTED LINE
Send a Grizzly Catalog to a friend:
Name_______________________________
Street_______________________________
City______________State______Zip______
TAPE ALONG EDGES--PLEASE DO NOT STAPLE
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