Graco Crib Toy 257500 User Manual

Repair  
313879B  
ThermoLazer Pavement Marking System  
- For professional application of thermoplastic traffic marking compound materials  
(reflective beads applied simultaneously with screeding) -  
- For outdoor use only (not to be operated in rain or damp conditions) -  
Model No. 258699 North America - Includes 257500 and 4 in. (10 cm) SmartDieScreed Box  
Model No. 257500 International (SmartDieScreed Box not included)  
Fuel: LP Gas (Propane Vapor)  
Burner capacities (max total): 138,000 BTU/hr. (40.44 kW) [38,000 BTU/hr. (7.03 kW) without torch]  
Material capacity (max): 300 lb (136 kg)  
IMPORTANT SAFETY INSTRUCTIONS  
Read all warnings and instructions in this  
manual. Save these instructions.  
Related Manuals  
257500  
Operation  
Parts  
313787  
313880  
For use with the following SmartDie Screed Box:  
Part  
Description  
256736 4 in. (10 cm) Screed Box  
257469 5 in. (12 cm) Screed Box  
256737 6 in. (15 cm) Screed Box  
257470 7 in. (18 cm) Screed Box  
256738 8 in. (20 cm) Screed Box  
257471 9 in. (22.5 cm) Screed Box  
257472 10 in. (26 cm) Screed Box  
256739 12 in. (30 cm) Screed Box  
256799 Double Line 4-4-4 in. (10-10-10 cm) Screed Box  
24B729 Double Line 4-3-4 in. (10-8-10 cm) Screed Box  
ti14144a  
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Warnings  
Warnings  
The following are general warnings related to the safe setup, use, grounding, maintenance and repair of this equip-  
ment. In the text of this manual, the exclamation point symbol alerts you to a warning and the hazard symbol refers to  
specific risks. Refer back to these General Warnings pages. Additional procedure-specific warnings will be included  
where applicable.  
Warnings  
FIRE AND EXPLOSION HAZARD  
Flammable fumes and liquids, such as propane gas, gasoline and combustible fuel, in work area can  
ignite or explode. To help prevent fire and explosion:  
Do not use equipment unless fully trained and qualified.  
Do not allow open containers of flammables within 25 ft (7.6 m) of equipment. Do not operate equip-  
ment within 10 ft (3 m) of any structure, combustible material, or other gas cylinders.  
Shut off all burners when adding fuel to equipment.  
Close the tank shut-off valve immediately if you smell propane gas; extinguish all open flames. If gas  
odor continues, keep away from equipment and immediately call the fire department.  
Follow lighting instructions for the burner and torch.  
Do not heat thermoplastic traffic marking compound material above 450° F (232° C)  
Fire extinguisher equipment shall be present and working.  
Keep work area free of debris, including solvent, rags and gasoline.  
EQUIPMENT MISUSE HAZARD  
Misuse can cause death or serious injury.  
Do not leave equipment unattended.  
Keep children and animals away from work area.  
Do not exceed the maximum working pressure or temperature rating of the lowest rated system  
component. See Technical Data in all equipment manuals.  
Check equipment daily. Repair or replace worn or damaged parts immediately with genuine  
manufacturer’s replacement parts only.  
Do not alter or modify equipment.  
Use equipment only for its intended purpose. Call your Graco distributor for information.  
Do not fill material beyond maximum capacity.  
Route gas lines, hoses, wires and cables away from traffic areas, sharp edges, moving parts, and hot  
surfaces.  
Do not kink or overbend gas lines.  
Do not override or defeat safety devices.  
Do not operate the unit when fatigued or under the influence of drugs or alcohol.  
BURN HAZARD  
Equipment surfaces and fluid that is heated can become very hot during operation. To avoid severe  
burns:  
Do not touch hot fluid or equipment.  
Wait until equipment and material has cooled completely.  
CARBON MONOXIDE HAZARD  
Exhaust contains poisonous carbon monoxide, which is colorless and odorless. Breathing carbon  
monoxide can cause death. Do not operate in an enclosed area.  
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Warnings  
Warnings  
TOXIC FLUID OR FUMES HAZARD  
Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin, inhaled, or swal-  
lowed.  
Read MSDS to know the specific hazards of the materials you are using.  
PERSONAL PROTECTIVE EQUIPMENT  
You must wear appropriate protective equipment when operating, servicing, or when in the operating  
area of the equipment to help protect you from serious injury, including eye injury, inhalation of toxic  
fumes, burns, and hearing loss. This equipment includes but is not limited to:  
Clothing and respirator as recommended by the fluid, material, and solvent manufacturer.  
Gloves, shoes, overalls, face shield, hat, etc. rated for elevated temperatures of at least 500° F  
(260° C).  
4
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Kettle Gas Safety Valve, Kettle Temperature Control, and Kettle Thermopile Diagnosis  
Terminal Connections  
Kettle Gas Safety Valve,  
Kettle Temperature Control, and  
Kettle Thermopile Diagnosis  
3
TH  
TP  
TH  
The gas safety valve, temperature control and thermo-  
pile can be checked by using a millivolt meter. Before  
checking, make certain all electrical connections are  
clean and tight.  
1
TP  
ti14524a  
Connect millivolt meter to appropriate terminals (see  
Terminal Connections).  
2
Status of  
Temperature  
Control  
Contacts  
Desired  
Meter  
Reading  
Part(s) to Be  
Checked  
Terminal  
Connections  
Step  
Diagnosis  
1
Gas safety  
valve  
2 and 3  
Closed  
Greater than If mV reading > 100 mV and the automatic valve (main  
100 mV  
burners) does not come on, replace the gas safety valve.  
If mV reading < 100mV, proceed with diagnostic steps 2  
and 3.  
2
Temperature  
control  
1 and 2  
Closed  
Less than If reading > 80 mV:  
80 mV  
Clean and tighten electrical connections at tempera-  
ture control and gas safety valve.  
Check valve to make sure wires are in good condi-  
tion. Replace as required.  
Rapidly change temperature setting on temperature  
control to see if cycling cleans the contacts.  
If the preceding fails to give mV reading < 80 mV, replace  
temperature control.  
3
Gas safety  
valve magnet  
and  
1 and 2  
Open  
Greater than If mV reading < 325 mV:  
325 mV  
Clean and tighten all electrical connections.  
Adjust pilot burner to increase millivolt output (see  
page 11).  
thermopile  
If the preceding fails to give mV reading > 325 mV, replace  
thermopile.  
Check valve magnet after obtaining correct mV output for  
thermopile:  
Ignite pilot burner only and allow the mV reading to  
stabilize.  
Shut pilot burner (turn gas safety valve knob OFF).  
Note the mV reading where magnet drops out.  
If magnet unlocks at mV reading < 120 mV, the magnet is  
OK. NOTE: When magnet unlocks a click can be heard  
and mV reading may fluctuate slightly.  
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Kettle Temperature Control Calibration  
Kettle Temperature Control Calibration  
6. If the temperature control setting is lower than the  
remote calibrated temperature setting on tempera-  
ture probe, turn adjusting screw clockwise. Every  
1/4 in. turn will change temperature 35° F (19.4° C).  
To Check Kettle Temperature Control Calibration:  
1. Move Thermolazer to an area with no wind.  
2. Turn temperature control to 400° F (204° C).  
3. Agitate material for 4 to 5 minutes.  
ti14523a  
4. After control has reached steady state temperature  
and burners do not cycle more than once per min-  
ute, insert remote calibrated temperature probe in  
material and directly adjacent kettle temperature  
control probe.  
7. If the temperature control setting is higher than the  
remote calibrated temperature probe, turn adjusting  
screw counterclockwise--every 1/4 in. turn will  
change temperature 35° F (19.4° C).  
8. Recheck calibration by turning temperature control  
to 410° F (210° C) and repeat steps 3-7.  
5. Compare temperature of remote calibrated temper-  
ature probe to temperature setting on temperature  
control.  
Temperature Control Replacement  
When replacing temperature control, keep in mind that  
the temperature probe is an integral part of the assem-  
bly. Do not make any sharp bends in the capillary tubing.  
Bends should be 0.25 in. (0.64 cm) in radius or greater.  
ti14557a  
Be sure to seal capillary tubing with high temperature  
mortar at kettle outlet.  
Thermometer Replacement  
Thermometer can not be removed from ThermoLazer  
without damaging thermometer probe. If probe end is  
frozen in material, heat material and remove until mate-  
rial level is lower than thermometer probe.  
6
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Kettle Thermometer Calibration  
Kettle Thermometer Calibration  
6. If kettle thermometer is lower than the remote cali-  
brated temperature probe, turn adjusting screw  
counterclockwise.  
Adjusting Screw  
To Check Kettle Thermometer Calibration:  
RESET  
1. Move ThermoLazer to an area with no wind.  
2. Turn temperature control to 400° F (204° C).  
3. Agitate material for 4 to 5 minutes.  
4. After control has reached steady state temperature  
and burners do not cycle more than once per min-  
ute, insert remote calibrated temperature probe in  
material and directly adjacent kettle temperature  
control probe.  
ti14525a  
7. If the kettle thermometer is higher than the remote  
calibrated temperature probe, turn adjusting screw  
clockwise.  
5. Compare temperature of remote calibrated temper-  
ature probe to thermometer.  
Adjust Kettle Pilot Ignitor Electrode Gap  
1. Loosen screw (231).  
.17 to .20 in.  
2. Rotate ignitor electrode (7) until gap of .17 to .20 in.  
(.43 to .51 cm) is achieved.  
3. Retighten screw (231).  
7
ti14519a  
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Thermopile Replacement  
Thermopile Replacement  
Removal  
1. Shut off gas valve on LP-tank and disconnect hose.  
6. Pull thermopile wire out of gas safety valve enclo-  
sure (28).  
28  
ti4128a  
ti14854a  
2. Remove gas safety valve enclosure back cover.  
7. Cut wire tie.  
ti14851a  
3. Remove cover (252) from gas safety valve enclo-  
sure (28).  
8. Disconnect gas pilot line (76) at gas pilot coupling  
(171).  
28  
171  
252  
76  
ti14856a  
ti14852a  
4. Disconnect thermopile wires from gas safety valve  
(13).  
9. Remove gas pilot mounting plate (18).  
13  
18  
ti14857a  
ti14853a  
5. Remove wire grommet (209) from gas safety valve  
enclosure (28).  
10. Remove thermopile (7).  
7
28  
ti14855a  
209  
ti14858a  
8
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Thermopile Replacement  
Installation  
1. Replace thermopile (7).  
7. Connect thermopile wires to gas safety valve (13).  
See Parts manual 313880 for additional details.  
7
13  
ti14862a  
2. Replace gas pilot mounting plate (18).  
ti14866a  
8. Replace cover (252) on gas safety valve enclosure  
(28).  
18  
ti14863a  
252  
3. Connect gas pilot line (76) at gas pilot coupling  
(171).  
28  
171  
ti14867a  
9. Replace gas safety enclosure back cover.  
76  
ti14861a  
4. Guide thermopile wire into gas safety valve enclo-  
sure (28).  
28  
ti14864a  
10. Reconnect hose and turn LP-gas tank valve ON.  
5. Zip-tie wires together.  
ti14127a  
6. Replace wire grommet (209) on gas safety valve  
enclosure (28).  
28  
ti14865a  
209  
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Adjust Gas Pressure to Kettle Burners  
Adjust Gas Pressure to Kettle Burners  
1. Shut off kettle gas safety valve (CC).  
CC  
2. Turn kettle temperature control knob (AA) to 0  
(“OFF”).  
3. Remove kettle gas safety valve 1/8-27 NPT pipe  
plug.  
4. Screw 0 to 30 in. w.c. (0 to 7.47 cb) calibrated gas  
pressure gauge or manometer into kettle gas safety  
valve outlet.  
148  
5. Ignite kettle gas pilot burner.  
ti14518a  
6. Turn kettle gas safety knob (CC) to ON.  
7. Turn kettle temperature control to 250° F (121° C).  
8. Record gas pressure at kettle gas safety valve out-  
let. Gas pressure should read 11 in. w.c. (2.74 cb).  
9. Remove adjusting screw cap.  
10. Turn adjusting screw (148) clockwise to increase  
gas pressure (counterclockwise to decrease gas  
pressure).  
ti14521a  
11. Install adjusting screw cap.  
12. Turn kettle temperature control knob (AA) to 0  
(“OFF”).  
156  
13. Shut off kettle gas safety valve (CC).  
14. Remove gas pressure measuring device.  
15. Add LP-gas pipe sealant to 1/8-27 NPT pipe plug  
(156) and install in kettle gas safety valve.  
10  
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Adjust Kettle Pilot Burner Flame  
Adjust Kettle Pilot Burner Flame  
1. Ignite kettle gas pilot burner.  
2. Record pilot burner flame height and color. Flame  
should be 2 to 3 in. (5 to 7 cm) high and blue-orange  
in color.  
3. Remove flame adjusting screw cap.  
ti14522a  
4. Turn adjusting screw clockwise to decrease flame  
height (counterclockwise to increase flame height).  
5. Install flame adjusting screw cap.  
2 to 3 in.  
ti14413a  
Adjust Kettle Main Burners Flame  
1. Ignite kettle gas pilot burner.  
1 to 2 in.  
2. Turn kettle gas safety valve (CC) to ON.  
3. Turn kettle temperature control knob (AA) to 250° F  
(121° C).  
4. Record pilot burner flame height and color. Flame  
should be 1 to 2 in. (3 to 5 cm) high and blue-orange  
in color.  
ti14525a  
5. Record burner venturi gap. Gap should be .17 to .20  
.17 to .20 in.  
in. (4 to 5 mm).  
6. Loosen air shutter jam nut and adjust air shutter to  
obtain correct gap.  
7. Lock air shutter jam nut. Use thread sealant for a  
more secure locking.  
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Cleaning Kettle Main Burner Gas Lines  
Cleaning Kettle Main Burner Gas Lines  
1. Disconnect gas tubing line (49) from gas tube fitting  
tee (165).  
3. Reconnect gas tubing line (49) to gas tube fitting tee  
(165).  
2. Force air into gas tubing line (49). Insert rubber  
hose over gas tubing tee and force air into tubing at  
30 psi (2.1 bar).  
165  
ti14558a  
49  
Cleaning Kettle Pilot Burner Gas Lines  
1. Disconnect gas tubing line (186) from gas tubing  
line (118).  
3. Reconnect gas tubing line (186) to gas tubing tee  
(118).  
2. Force air into gas tubing line (118). Insert rubber  
hose over gas tubing tee and force air at 30 psi  
(2.1 bar).  
186  
ti14559a  
118  
12  
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Replacing Screed Box Spring  
Replacing Screed Box Spring  
1. Position replacement spring as shown below and  
slide into spring guard.  
3. Set screed box on its side.  
ti14551a  
ti14553a  
2. Push spring up through guard and loop end around  
guard pin until spring sits in groove.  
4. Loop open end of spring and guard over first pin on  
screed box. Then push spring guard up and over  
second pin on screed box.  
ti14549a  
ti14552a  
ti14550a  
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Securing Bead Dispenser Wheel  
Securing Bead Dispenser Wheel  
To properly dispense beads, drive wheel (27) must be in  
direct contact with tire (89). If drive wheel (27) becomes  
loose and/or starts to slip, use allen wrench to tighten  
set screw (211).  
211  
NOTE: To ensure proper contact between drive wheel  
(27) and tire (89), make sure air pressure is always at 60  
psi (4.14 bar).  
89  
ti14564a  
27  
Linkage Rod Adjustment  
Adjustments can be made to linkage rods by removing  
clevis cotter hairpin (268), clevis (179) pin, loosening  
nuts (128), and then turning clevis as required to  
lengthen or shorten rod connectors.  
2. If the wheel does not cause the ThermoLazer tire to  
rotate both forward and backwards, loosen nuts  
(128), clevis cotter hair pin, clevis pin, and rotate the  
clevis (179) one turn counterclockwise.  
To ensure proper application of beads and thermoplas-  
tic, make sure screed box linkage rod (182) measures  
16.875 in. (42.8 cm). Be sure to measure where nut  
(128) meets clevis (179) when checking for proper link-  
age rod length.  
179  
128  
3. Reconnect clevis to deployment bar and again  
rotate bead box wheel to see if adjustments cause  
ThermoLazer to move forward and backwards.  
16.875 in.  
4. Continue to rotate clevis 1/2 turn counterclockwise  
until rotating bead box wheel causes ThermoLazer  
to move forward and backwards.  
182  
ti14565a  
Adjust the bead box linkage rod (181) so bead box drive  
is touching ThermoLazer tire when screed box is in  
down (but not open) position. A slight downward force  
on the bead box linkage should be required when insert-  
ing the clevis pin through the clevis deployment bar.  
1. With screed box in down (but not open) position,  
rotate the bead box wheel by hand.  
14  
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Screed Box/Bead Dispenser Box Actuator  
Screed Box/Bead Dispenser Box Actuator  
If the screed box/bead dispenser box actuator does not  
remain in the “down and locked” position, adjust the  
3/4-16 lock nut by turning clockwise 1/4 to 1/2 turn or  
until the actuator does not freely rotate.  
ti14604a  
Adjusting Screed Box Pivot Arm  
3. Move bottom of box pivot arm spring to desired hole  
and reconnect. Moving the spring in will decrease  
tension, while moving the spring out will increase  
tension.  
If the SmartDie screed box jumps up when setting the  
box in the down-and-locked position, check linkage rod  
lengths (see page 14).  
If the SmartDie screed box continues to jump up after  
adjusting linkage rods, move the screed box pivot arm  
spring to the next hole.  
1. Unhook top of box pivot arm spring.  
ti14629a  
4. Reconnect top of box pivot arm spring.  
ti14627a  
2. Unhook bottom of box pivot arm spring.  
ti14630a  
Repeat moving pivot arm spring until SmartDie screed  
box stops jumping up when setting box in the  
down-and-locked position.  
If moving pivot arm spring does not stop the SmartDie  
screed box from jumping up when setting box in  
down-and-locked position, replace pivot arm spring.  
ti14628a  
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Troubleshooting  
Troubleshooting  
Problem  
Cause  
Solution  
Replace with full tank.  
Kettle pilot burner does Low or empty LP-gas tank  
not ignite or does not  
remain ignited  
Gas supply hose not connected to tank  
Connect gas supply hose.  
LP-gas tank shut-off valve closed  
Manual gas shut-off valve closed  
Gas lines leaking or disconnected  
Open LP-gas tank shut-off valve.  
Open manual gas shut-off valve.  
Check for gas leaks. Connect and tighten  
fittings.  
Kettle gas safety valve knob not in correct  
position  
Turn knob to “PILOT” position and fully  
push in (see Operation manual).  
Not providing adequate time for thermopile to See Operation manual.  
heat up  
Kettle pilot igniter has weak battery  
Kettle pilot electrode gap incorrect  
Incorrect flame length and/or gas pressure  
Replace part (see Parts manual).  
Adjust gap (see page 7).  
Adjust flame and pressure (see Repair  
manual).  
Strong wind blowing flame out  
Burner and/or gas lines plugged  
Move ThermoLazer out of strong winds.  
Make sure burner view ports are closed.  
Unplug holes and lines. Isolate all gas reg-  
ulators if clearing line with forced air (see  
page 5).  
Kettle gas safety valve not functioning cor-  
rectly  
Replace part if it fails diagnostic test (see  
page 5).  
Thermopile not functioning correctly  
Replace part if it fails diagnostic test (see  
page 8).  
Kettle pilot electrode ground wire not correctly Clean connections and retighten. Replace  
connected  
ground wire if damaged.  
Kettle pilot electrode lead wire has a short  
Kettle pilot igniter not functioning correctly  
Replace part (see Parts manual).  
Replace part (see Parts manual).  
Replace part (see Parts manual).  
Kettle burner regulator not functioning cor-  
rectly  
16  
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Troubleshooting  
Problem  
Cause  
Solution  
Kettle main burners do Kettle gas safety valve knob not at correct  
Turn knob to ON position (see Operation  
manual).  
not ignite or are not  
burning correctly  
position  
Kettle temperature control dial set at a lower  
temperature than material temperature  
Turn kettle temperature control dial to tem-  
perature 25° F (13.9° C) higher than mate-  
rial temperature.  
Kettle gas safety valve not functioning cor-  
rectly  
See Repair manual and replace part if it  
fails diagnostic testing.  
Burner and/or gas lines plugged  
Unplug holes and lines. Isolate all gas reg-  
ulators if clearing line with forced air (see  
page 12).  
Kettle temperature control not functioning cor- Replace part (see Parts manual).  
rectly  
Gas lines have been disconnected  
Connect and tighten hose fittings. Check  
for gas leaks.  
Incorrect flame length and/or gas pressure  
Adjust flame and pressure (see page 11).  
Replace part (see Parts manual).  
Kettle gas safety valve knob not at correct  
position  
Kettle main burners do Kettle temperature control dial is not turned to Turn kettle temperature control dial to a  
not shut off  
a setting lower than material temperature  
setting 25° F (13.9° C) (minimum) lower  
than material temperature.  
Kettle temperature control not functioning cor- Replace part (see Parts manual).  
rectly  
Kettle gas safety valve not functioning cor-  
rectly  
Replace part if it fails diagnostic testing  
(see page 5).  
Kettle main burner does Kettle temperature control dial is not turned to Turn kettle temperature control dial to a  
not turn on  
a setting higher than material temperature  
setting 25° F (13.9° C) (minimum) higher  
than material temperature.  
Kettle temperature control not functioning cor- Replace part (see Parts manual).  
rectly  
Kettle gas safety valve not functioning cor-  
rectly  
Replace part if it fails diagnostic test (see  
page 5).  
Thermometer not  
Material has not reached temperature control Allow time for material to reach operating  
matching material tem- set point  
perature in kettle  
temperature.  
Material not fully obligated  
Agitate material.  
Cool or windy ambient conditions  
Move ThermoLazer out of cool windy  
conditions. Discharge material and check  
thermometer.  
Thermometer calibrated incorrectly  
Calibrate thermometer (see page 7).  
Kettle temperature control calibrated incor-  
rectly  
See Repair manual and replace part if it  
can not be calibrated. See Parts manual  
313880.  
Thermometer not functioning correctly  
Replace part (see Parts manual).  
Kettle temperature control not functioning cor- Replace part (see Parts manual).  
rectly  
Kettle gas safety valve not functioning cor-  
rectly  
Replace part if it fails diagnostic test (see  
page 5).  
Incorrect flame length and/or gas pressure  
Adjust flame and pressure (see page 11).  
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Troubleshooting  
Problem  
Cause  
Solution  
Replace with full tank.  
Empty LP-gas tank  
SmartDie screed box  
IR burner does not  
ignite, does not remain  
ignited, or can not  
change heat output  
LP-gas tank shut-off valve closed  
Gas supply hose not connected to tank  
Gas lines leaking or disconnected  
Open LP-gas tank shut-off valve.  
Connect gas supply hose.  
Check for gas leaks. Connect and tighten  
fittings.  
Not allowing time for IR burner thermocouple See Operation manual.  
to sense heat  
IR burner regulator/flow control valve not func- Replace part (see Parts manual).  
tioning correctly  
IR burner safety shut-off valve not functioning Replace part (see Parts manual).  
correctly  
IR burner thermocouple not functioning cor-  
rectly  
Replace part (see Parts manual).  
Torch does not ignite  
Empty LP-gas tank  
Replace with full tank.  
LP-gas tank shut-off valve closed  
Torch manual gas shut-off valve closed  
Gas supply hose not connected to tank  
Gas lines leaking or disconnected  
Open LP-gas tank shut-off valve.  
Open manual shut-off valve.  
Connect gas supply hose.  
Check for gas leaks. Connect and tighten  
fittings.  
Torch assembly not functioning correctly  
Material is cold  
Replace part (see Parts manual).  
Allow time for material to reach operating  
temperature  
PaddleMax agitator  
handle is hard to move  
Bushings are worn  
Replace bushings (see Parts manual).  
Add grease  
Linkage ball rod ends need lubrication  
Foreign material lodged between agitator and Remove material in kettle and CARE-  
kettle  
FULLY dislodge and remove foreign mate-  
rial.  
Cold material temperature  
Gate sticking in guides  
Heat material to operating temperature.  
Make sure thermometer is free to move.  
ControlFlow gate  
valve difficult to open  
or close  
Check for excess material in guides. Apply  
heat as required and remove excess mate-  
rial. Add grease to lubricate guides.  
Bushings are worn  
Replace bushings (see Parts manual).  
Close gate completely.  
Gate not completely closed  
Foreign material lodged in gate opening  
ControlFlow gate  
valve leaking  
CAREFULLY dislodge and remove foreign  
material.  
18  
313879B  
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Troubleshooting  
Problem  
Cause  
Solution  
Foreign material in screed box discharge  
opening  
CAREFULLY dislodge and remove foreign  
material.  
SmartDie screed box  
leaking  
Dirty screed box  
CAREFULLY clean box. All moving parts  
need to be free of debris.  
Spring broken  
Replace spring (see page 13).  
Adjust length (see page 14).  
Adjust lever (see page 14).  
Incorrect deployment rod linkage length  
Incorrectly adjusted SmartDie screed  
box/bead dispenser box actuator  
Worn screed box gate  
Replace gate (see Parts manual 313880).  
Worn screed box trough  
Replace trough (see Parts manual  
313880).  
Excessive material  
Screed box not adjusted to ground  
See Operation manual.  
buildup when starting  
and stopping extruding  
Screed box open when ThermoLazer is  
stationary  
Synchronize ThermoLazer and screed  
box motion.  
Foreign material in screed box discharge  
opening  
CAREFULLY dislodge and remove foreign  
material.  
Dirty screed box  
CAREFULLY clean box. All moving parts  
need to be free of debris.  
Beads not discharging Low bead level in bead hopper  
Fill bead hopper.  
or discharging unevenly  
Bead dispenser doors closed  
Open doors as required to obtain desired  
flow pattern width.  
Bead dispenser drive wheel not engaged  
Secure bead dispenser wheel (see page  
14).  
Bead dispenser drive wheel slipping  
Tighten. Check air pressure (see page 14).  
Debris in discharge opening of bead dispenser Remove debris.  
Remove debris.  
Debris on ThermoLazer tire or bead dis-  
penser wheel  
Moisture in beads  
Remove wet beads. Dry hopper, bead  
hoses and bead dispenser. Fill hopper with  
dry beads.  
Beads not discharging Bead dispenser flow rate lever not correctly  
Rotate flow rate lever to correct position.  
at required flow rate  
set  
Bead dispenser drive wheel slipping  
Tighten wheel and check tire pressure  
(see page 14).  
Bead dispenser doors not fully open  
Moisture in beads  
Open door fully.  
Remove wet beads. Dry hopper, bead  
hoses and bead dispenser. Fill hopper with  
dry beads.  
Moisture on road surface  
Rough road surface  
Allow road surface moisture to dry.  
Smooth road surface.  
Bead Dispenser low on material  
Add material to Bead Hopper.  
313879B  
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Troubleshooting  
Applying Material  
Problem  
Cause  
Dirty screed box  
Solution  
Ragged line edges when extruding  
CAREFULLY clean box. Discharge  
opening and die plate runners need  
to be free of debris.  
Cold material temperatures  
Marking speed too fast  
Heat material as required.  
Slow Thermolazer speed.  
Material thickness too think  
Slow Thermolazer speed and keep  
screed box filled.  
Rough material surface when extrud- Overheated material  
Reduce heat.  
ing  
Moisture on road surface  
Allow road surface moisture to dry.  
Smooth road surface.  
Add material to screed box.  
Rough road surface  
Screed box low on material  
EXAMPLES:  
Correct line application will produce a full straight line with sharp edges; correct color,  
thickness and width; a firm bond to the surface; and have uniform reflectivity.  
ti14507a  
Insufficient adhesion (material bulges • Material temperature too low  
Raise material temperature  
Decrease speed of  
at beginning of line)  
Thermolazer speed too fast  
Debris on road  
Thermolazer  
Clear debris from road  
Surface temperature too cold  
Wait for temperature of surface to  
raise  
ti14508a  
ti14509a  
ti14510a  
Rough and bumpy line  
Debris on surface  
Clear debris from surface  
Lower material temperature  
Clean debris from die  
Crust from overheated material  
Debris caught in die  
Material not covering road high  
spot  
Adjust screed box line thickness  
Gas bubbles in line  
Moisture or solvent on surface  
Remove solvent from surface  
Lower temperature of material  
Material is overheated  
20  
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Troubleshooting  
Problem  
Cause  
Solution  
Ragged edges and gaps in line  
• Material temperature is too low  
• Raise material temperature  
• Wait for change in ambient condi-  
tions to remove moisture  
• Thermolazer speed is too fast  
• Reduce Thermolazer speed  
ti14511a  
Swollen rounded line  
• Material temperature is too high  
• Lower material temperature  
ti14512a  
Material shadows on sides  
• Uneven road surface  
• Apply to even road surfaces  
• Die is not evenly riding on sub-  
strate  
• Remove debris from screed box  
lever rod  
• Inspect/replace damaged screed  
box lever rod/lever arm  
ti14513a  
Line is wavy  
• Strong road surface camber  
• Apply so camber does not influ-  
ence application  
• Use correct application methods  
(for example, try locking swivel  
wheel)  
• Incorrect Thermolazer operation  
ti14514a  
Cracks in line  
• Cracks in road surface  
• Repair cracks  
Temperature stress from  
overheating  
• Lower temperature in material  
• Material applied too cold  
• Material applied too thin  
• Increase material temperature  
ti14515a  
• Slow Thermolazer speed to  
apply thicker material  
Rough edges and lines in surface  
• Material temperature is too low  
• Raise material temperature  
• Material is overheated or scorched • Lower material temperature  
• Moisture in road surface  
• Wait until road surface is dry  
ti14516a  
Jagged line ends; material drips  
between lines  
• Die does not fully close  
• Debris caught in die  
• Worn die gate  
• Clean die  
• Clear debris from die  
• Replace die gate  
• Replace die trough  
• Replace spring  
• Worn die trough  
• Broken spring  
ti14517a  
313879B  
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Technical Data  
Technical Data  
Fuel:  
Liquefied petroleum gas (LP-gas) (propane vapor)  
250 psi (17.24 bar)  
11 in. w.c. (2.7 kPa)  
12 psi (.83 bar)  
18 psi (1.24 bar)  
Gas supply pressure (maximum):  
Kettle burner inlet pressure:  
IR burner inlet pressure:  
Torch inlet pressure:  
Kettle main burner heating capacity (maximum): Two (2) burners; each burner rated at 10,100 btu/hr (2.96 kW)  
Kettle pilot burner heating capacity (maximum): 3800 btu/hr (1.11 kW)  
IR burner heating capacity (maximum):  
Torch heating capacity (maximum):  
Kettle holding capacity (maximum):  
Kettle Temperature (maximum):  
Kettle Temperature (operating):  
Tire pressure (rear wheels):  
14,000 btu/hr (4.10 kW)  
100,000 btu/hr (29.31 kW)  
300 lb (136 kg) (thermoplastic traffic marking compound materials)  
450° F (232° C)  
380° - 420° F (193° - 216° C) 60 psi (4.14 bar)  
60 psi (4.14 bar)  
Tire pressure (swivel wheel):  
45 psi (3.10 bar)  
Battery (Kettle Pilot Burner Igniter):  
Bead Hopper Capacity (maximum):  
AA (1.5 V)  
80 lb (36.3 kg) Type II glass bead  
Dimensions  
Weight:  
Length:  
Height:  
Width:  
295 lb (134 kg)  
72 in. (1.83 m)  
51 in. (1.30 m)  
48 in. (1.22 m)  
22  
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Graco Standard Warranty  
Graco Standard Warranty  
Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in  
material and workmanship on the date of sale to the original purchaser for use. With the exception of any special, extended, or limited warranty  
published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by  
Graco to be defective. This warranty applies only when the equipment is installed, operated and maintained in accordance with Graco’s written  
recommendations.  
This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction, damage or wear caused by faulty  
installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or substitution of  
non-Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused by the incompatibility of Graco equipment with  
structures, accessories, equipment or materials not supplied by Graco, or the improper design, manufacture, installation, operation or  
maintenance of structures, accessories, equipment or materials not supplied by Graco.  
This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of  
the claimed defect. If the claimed defect is verified, Graco will repair or replace free of charge any defective parts. The equipment will be returned  
to the original purchaser transportation prepaid. If inspection of the equipment does not disclose any defect in material or workmanship, repairs will  
be made at a reasonable charge, which charges may include the costs of parts, labor, and transportation.  
THIS WARRANTY IS EXCLUSIVE, AND IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED  
TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE.  
Graco’s sole obligation and buyer’s sole remedy for any breach of warranty shall be as set forth above. The buyer agrees that no other remedy  
(including, but not limited to, incidental or consequential damages for lost profits, lost sales, injury to person or property, or any other incidental or  
consequential loss) shall be available. Any action for breach of warranty must be brought within two (2) years of the date of sale.  
GRACO MAKES NO WARRANTY, AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A  
PARTICULAR PURPOSE, IN CONNECTION WITH ACCESSORIES, EQUIPMENT, MATERIALS OR COMPONENTS SOLD BUT NOT  
MANUFACTURED BY GRACO. These items sold, but not manufactured by Graco (such as electric motors, switches, hose, etc.), are subject to  
the warranty, if any, of their manufacturer. Graco will provide purchaser with reasonable assistance in making any claim for breach of these  
warranties.  
In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from Graco supplying equipment hereunder, or  
the furnishing, performance, or use of any products or other goods sold hereto, whether due to a breach of contract, breach of warranty, the  
negligence of Graco, or otherwise.  
FOR GRACO CANADA CUSTOMERS  
The Parties acknowledge that they have required that the present document, as well as all documents, notices and legal proceedings entered into,  
given or instituted pursuant hereto or relating directly or indirectly hereto, be drawn up in English. Les parties reconnaissent avoir convenu que la  
rédaction du présente document sera en Anglais, ainsi que tous documents, avis et procédures judiciaires exécutés, donnés ou intentés, à la suite  
de ou en rapport, directement ou indirectement, avec les procédures concernées.  
Graco Information  
TO PLACE AN ORDER, contact your Graco distributor or call to identify the nearest distributor.  
Toll Free: 1-800-690-2894.  
313879B  
23  
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All written and visual data contained in this document reflects the latest product information available at the time of publication.  
Graco reserves the right to make changes at any time without notice.  
This manual contains English. MM 313879  
Graco Headquarters: Minneapolis  
International Offices: Belgium, China, Japan, Korea  
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441  
Copyright 2008, Graco Inc. is registered to I.S. EN ISO 9001  
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