46 / 49cc
GASOLINE POWERED
ANTI-VIBRATION (AV) CHAIN SAWS
(†)SERIAL
NUMBER
PREFIX
McCulloch products are identified by a model number (in this instance
600465) followed by a suffix number (00). Suffix numbers denote
variations in parts or assemblies used in the manufacture of this
product.
Illustrated Parts Lists (IPLs) contain a PART NUMBER, DESCRIPTION,
UNITS per assembly and STOCKING CODE for each part.
Stocking Codes are:
MODEL
BAR &
CHAIN
ENGINE
SIZE
MODEL NAME
MS1846AV
NUMBER
-
18
20
18
20
18
20
16
46cc
46cc
49cc
49cc
46cc
46cc
46cc
46cc
46cc
46cc
49cc
49cc
49cc
49cc
49cc
55cc
46cc
46cc
49cc
49cc
MS2046AV
-
-
M1849AV
-
-
MS2049
-
-
A - Dealer stocked. Fast to medium moving part.
B - Distributor stocked. Medium to slow moving part.
C - Factory stocked. Slow moving part.
MAC 4600
11- / 22-
600465-00
600465-01
600465-02
600465-07
600465-09
600465-12
600498-01
600498-02
600498-03
600498-08
600498-13
600555-00
-
MAC 4600
11- / 22-
MAC 4600
11- / 22-
MAC 4600
11-
11-
11-
11-
11- / 22-
11-
11-
11-
22-
-
MAC 4600
NOTE:
(-)
The following explains symbols and footnotes in this IPL:
MAC 4600
A dash preceding a PART NUMBER indicates that it is
a new part number, different from the one listed in the
previous IPL for this unit.
MAC 4900
MAC 4900
20
MAC 4900
One or more dots (. Spring, Starter) preceding a part
DESCRIPTION indicates the part is included in the kit
or assembly described directly above the dot(s).
(.)
MAC 4900
MAC 4900
MAC 5500
If four dashes appear in place of a PART NUMBER, the
part is not available individually but is included in
the next higher assembly or subassembly.
(-- --)
PM1846AV
18
20
18
20
PM2046AV
-
-
PM1849AV
-
-
¿¡
Circled numbers preceding a DESCRIPTION
footnote the part or assembly to additional information
on the page.
PM2049AV
-
-
PROMAC 4700
PROMAC 5000
PROMAC 5500
SILVER EAGLE 2818
SILVER EAGLE 3020
TIMBERBEAR 20
TIMEBERBEAR
22-
22-
22-
600465-03
600498-20
600555-02
An asterisk denotes that choices follow or precede.
(*)
55cc
Serial Number Prefix 21- denotes CARB approved unit
-- all parts are interchangeable with Serial Number
Prefix 11-.
(†)
-
-
20
49cc
55cc
The policy of McCulloch is one of continual improvement in design,
manufacturing and engineering advancement wherever possible to
assure still finer power tools. Hence, specifications, equipment colors,
design and manufacturer’s suggested list prices are subject to change
without notice. McCulloch reserves the right to make such changes
without prior notification or obligation to backfit or supply backfit
components for units previously shipped from the factory.
22-
600555-01
MARCH 2003
ILLUSTRATED PARTS LIST
P.O. Box 31567
Tucson, Arizona 85751-1567 • U.S.A.
© McCulloch 2003
P/N 211594-03
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GENERAL ASSEMBLY
ITEM STK PART
FIGURE 1
UNITS
PER ASY
UNITS
PER ASY
ITEM STK PART
NO. CODE NUMBER
NO. CODE NUMBER
DESCRIPTION
DESCRIPTION
1
2
-
FIGURE 2
FIGURE 4
FIGURE 5
FIGURE 3
FIGURE 3
300730
322199
300259
322859
322883
322647
300869
301417
322860
224242-02
322861
111107
218480
225062
322867
301112
-- --
Powerhead Asy
Chain Brake Asy
Rear Handle Asy
Bar Information
Chain Information
Fuel/Oil Tank Asy (Black)
. Valve, Duckbill
. Filter, Foam
1
1
1
1
1
1
2
2
1
4
1
1
1
1
1
1
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
A
B
C
A
A
C
C
C
C
C
A
C
A
C
C
C
217935
111068
322671
300292
218005
111117
300296
301419
111110
111109
300922
322659
111099
302416
323344
325172
Screw, 10-24x.5 Torx
Screw, 10-14x1.38 Torx
Handle, Front
1
-
1
1
2
2
2
2
1
2
1
1
1
2
1
1
1
3
-
4
-
Retainer, Nut
5
-
Nut, Sq 10-24
6
B
A
A
C
B
B
A
A
A
A
A
B
C
A
B
A
-
Screw, 10-14x1 Plast
Screw, 10-24x.5 PnHdTorx
Top Cover Asy (Black)
Screw, 10-14x2
7
8
9
. Retainer, Vent
. Spacer
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
*41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
Screw, 10-14 Torx Hd
Air Cleaner Asy
. Hose, Pulse
. Pickup, Fuel
Cover, Air Cleaner (Black)
Screw, k10-24x.625 PnHdTorx
Isolator Asy
. Isolator Asy Handle
. Hose, Fuel
. Primer, Remote
. Hose, Primer
Cable Asy, AV Spring
Plate, Flange
. Bolt, Bar 5/16-18, Shoulder
. Hose, Oil
2
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
4
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
3
. Pickup, Oil
Hose, Fuel/Oil
11600465-00
11600465-02
11600465-09
11600498-01
11600498-03
11600498-13
11600465-01
Fuel Cap Asy
11600465-07
11600465-12
11600498-02
11600498-08
. Gasket
A
-
A
B
A
-
300917
-- --
Oil Cap Asy
. Gasket, Oil Cap
O-Ring, .013
111142
322658
520001-33
-- --
Washer, Bar Bolt
Bar Adj Screw Nut & Ring
. Nut, Bar Adjusting
Plate, Bar
11600465-03
11600465-08
11600498-04
11600498-09
C
C
C
C
B
C
C
A
C
A
B
C
C
C
-
322873
111143
301612
322880
300728
323339
301615
217937
322665
223357
105976
322666
300226
301914
-- --
Screw, 6-19 x .375
Plate, Bar Guide
Lever, Choke
Rod, Choke
Plug, Pulse Hose
Plate, Flange
Screw, 10-24x1 Torx
Precleaner Asy
Screw, 8-16 Plast
Washer, #8 Plain
Boot, Intake
Starter Asy (Yellow)
. Housing/Rope Guide Asy
.. Housing, Starter (Yellow)
.. Rope Guide
-
-
-- --
-- --
. Tube, Rope Guide
. Spring, Starter Rewind
. Pulley, Starter
. Pawl, Starter
A
B
B
C
C
C
C
A
A
A
B
C
300475
300228
300229
300230
300231
300232
300233
300234
87851
. Plate, Starter
. Spring, Friction
. Spacer, Starter
. Screw, Shoulder
. Rope, Starter 45”
. Handle, Starter
. Bushing, Starter
. Spacer, 10x.135
Screw, 10-14x.625 Torx
223944
111157
111111
3
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POWERHEAD ASSEMBLY
FIGURE 2
48
49
50
47
43
42
41
55
51
52
40
53
54
39
57
56
38
33
75
37
28
34
36
25
27
24
26
45
46
23
44
32
69
31
70
30
29
20
72
19
71
66
16
17
12
65
67
62
3
64
18
2
––23
––24
14
––58
58––––59
––60
23––
11
63
68
10
3
4
8
58
9
7
13
6
61
60
15
59
59
––2
––2––––3
––4
21
60
––36
––37
––38
––39
––40
––41
––42
––42
––62
––63
62––
––6
––7
––5––
––8
––66
––67
66–––68
––69
35––
62
––10
––11
––12
––13
––14
––15
1––
––9
––70
74
73
22
4
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POWERHEAD ASSEMBLY
ITEM STK PART
FIGURE 2
UNITS
PER ASY
ITEM STK PART
NO. CODE NUMBER
UNITS
NO. CODE NUMBER
DESCRIPTION
DESCRIPTION
PER ASY
1
2
A
A
A
C
B
-
301912
-- --
Kit, Oil Pump Asy
. Pump Asy, Oil
1
55
56
57
58
59
60
61
62
63
64
65
66
66
67
68
69
70
70
71
72
73
74
75
C
C
A
-
322654
111105
216635
-- --
Spring, Garter
1
2
2
1
2
1
1
1
1
1
1
1
1
1
1
1
1
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
2
1
1
2
1
1
1
1
1
1
1
1
Screw, 10-24, Carb Clamp
Washer, Special #10
3
322182
322635
301913
-- --
.. Fitting
4
.. Screw, Adj
C’shaft/ConRod/Bearing Asy
. Bearing, Ball
. Seal, Crankshaft
Key, Wdf #206
Crankcase/Fitting Asy
. Fitting, Pulse Line
Clamp, Wire, Hose 1/4”
Conduit, Flex
Piston Asy, 46cc
Piston Asy, 49cc
. Pin, Piston
1
2
2
1
1
1
1
1
1
1
1
1
2
1
1
4
4
4
4
1
5
. Kit, Gear/Plunger Asy
.. Piston/Gear Asy
.. Spring, Comp
C
A
A
-
215946
300222
102164
-- --
6
7
-
-- --
-- --
8
-
.. O-ring
.. Washer
O-Ring, 1.625x.06
Washer, Felt
9
A
B
A
B
C
C
B
C
C
C
A
A
A
A
A
B
A
A
A
A
A
A
C
B
B
A
C
C
C
-
110582
111162
323435
322864
322662
322884
323126
111108
322856
111104
301338
300726-01
9228-310210
322848
110961
301759
223884
102556
95266
-
-- --
10
11
12
13
14
15
16
17
18
19
*20
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
C
B
-
323395-01
323433
-- --
Connector, Oil Pump
Gear, Worm
-
-- --
Washer
-
-- --
Seal, Felt
-
-- --
. Bearing, Piston Pin
. Ring, Retaining
. Ring, Piston, 46cc
. Ring, Piston, 49cc
Retainer, Nut
Screw, #8 Plast
-
-- --
Washer, Clutch Drum
Bearing, 10x13x13mm
Drum/Sprocket Asy, .325x8T
Clutch Asy, Old, Threaded
Clutch Asy, New, No Thread
Flywheel
-
-- --
-
-- --
A
A
C
A
B
300292
218005
111095
216683
301926
Nut, 10-24 Sq
Screw, 10-24x2.75 Torx
Washer, #10 Special
Short Block Asy
Nut, Hex 5/16-24
Ignition Asy
. Kit, Spark Plug Wire
.. Connector, Spark
.. Boot, Spark Plug
.. Grommet, H/T Lead
.. Grommet, S/Plug Wire
Screw, Tr 10-24x.75 Torx
Contact, Ground
Spacer, Nut 10-24x.834
Stud, 10-24x1.105
Spark Plug, RDJ8J
Baffle, Muffler Gasket
Muffler Asy
11600465-00
11600465-02
11600465-07
11600498-01
11600498-03
11600498-08
11600465-01
11600465-03
11600465-08
11600498-02
11600498-04
11600498-08
215533-01
110995
217936
322881
322854
322855
92879
322853
300923
300720
-- --
11600465-09
11600498-13
11600465-00
11600465-02
11600465-07
11600465-09
11600498-01
11600498-03
11600498-08
11600498-13
11600465-12
11600465-01
11600465-03
11600465-08
11600465-12
11600498-02
11600498-04
11600498-09
. Screw, Muffler
. Body Asy, Muffler
. Screw, 10-24x.5 Tr Torx
. Baffle, Muffler
A
-
B
-
217935
-- --
300719
-- --
. Screen, Spark Arrester
. Body, Muffler, Outer
. Lock Plate
. Nut, 10-24 Hex Lock
Eyelet, Boot
Flange, Boot
B
A
C
C
B
C
C
C
A
C
-
301609
216649
322655
322649
219881
322648
322656
322650
323536
322879
FIGURE 6
322652
322653
Not used
Screw, 10-24x.62 TrHdTorx
Boot, Carburetor
Eyelet, Carburetor
Flange, Carburetor
Gasket, Carburetor
Boot, Carburetor
Carburetor Asy
C
C
Bracket, Carburetor
Boot, Intake
BAR AND CHAIN INFORMATION
CHAIN
FIGURE 3
BAR AND CHAIN
BAR PART
CHAIN
SERVICE TOOLS
FILE AND GUIDE PART No.
SIZE
NUMBER
PART NUMBER
SPECIFICATIONS
FILE PART No.
16”
18”
20”
323219-33
323215-33
323217-33
323218-33
323214-33
323216-33
PMG320GLX
301944-33
219161-33
5
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CHAIN BRAKE ASSEMBLY
UNITS
FIGURE 4
ITEM STK PART
NO. CODE NUMBER
––1
––2 ––3
––3––––4
––6 ––5
––7
––8
––9
DESCRIPTION
PER ASY
1
2
A
C
-
300723
110737
-- --
Chain Brake, Inertia (Yellow)
. Clip, “U”
. Latch Asy, Chain Brake
.. Pin, Brake Band
.. Pin, Latch
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
1
2
2
1
2
3
4
-
-- --
5
-
-- --
––10
––11
6
-
-- --
. Slider
. Pivot, Latch
. Screw, Band Anchor
. Flat, Brake
Washer, “D”
. Waher, Spring
. Lever Pivot
. Pin, Spring Hook
. Band, Brake
. Ring, Retaining
. Spring, Chain Brake
. Stop, Chain
1––
7
-
-- --
––12
––13
––14
––15
––16
––17
––18
23
8
C
-
322886
-- --
9
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
-
-- --
10
-
-- --
-
-- --
-
-- --
6
19
22
11
C
C
B
B
B
B
C
A
B
A
323537
218079
217440
218641
111226
301614
111169
218315
219058
322885
12
21
20
Screw, 10-24x.62 TrHdTorx
Spike
3
5
7
. Screw
Nut, 10-24
4
21
15
16
2
Label, Safety
8
Nut, Bar 5/16-18
1
14
13
17
18
REAR HANDLE ASSEMBLY
UNITS
FIGURE 5
––2
––3
––4
––5
––6
––7
––8
ITEM STK PART
NO. CODE NUMBER
DESCRIPTION
Handle/Trigger Asy
PER ASY
1
C
A
A
A
C
C
C
C
C
C
C
C
B
B
B
B
C
A
A
A
A
A
C
301916
300727
300297
111180
322870
322869
322875
322876
322874
322878
322670
301397
224245
62451
322851
111069
322881
322852
111113
111180
300299
301417
323344
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
3
1
1
1
1
2
. Cable, Throttle
3
. Washer, .19idx.68od
. Screw, 8-16x.5 Torx
. Release, Trigger
4
5
––9
––12
1––
6
. Trigger
. Spring, Trigger
––10 ––13
––11 ––14
––12 ––––15
––19 ––16
––20 ––17
––21 ––18
––22
7
8
. Spring, High Idle
. Latch, High Idle
9
11
10
11
12
13
14
15
16
17
18
19
20
21
22
23
. Grommet, Throttle
. Frame, Rear
8
9
. Cover Asy, Handle
.. Button, Stop Switch
.. Contact, Ignition Switch
.. Wire Asy
2
3
––23
6
10
16
5
13
17
.. Screw, 8-16x.375 Plast
.. Contact, Ground
.. Wire, Ground Asy
. Screw, Rear Frame Cover
. Screw, 8-16x.5 Torx
. Screw, 8-16x1 Torx Plast
. Isolator Asy, Handle
. Safety Cable Asy
18
4
7
14
15
23
22
16
12
21
20
19
6
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CARBURETOR ASSEMBLY
FIGURE 6
2
3
6
7
5
4
11
14
8
9
10
15 16
12
13
14
20
17
18
36
35
26
25
24
23
19
33
32
34
22
31
21
30
29
28
27
ITEM STK PART
NO. CODE NUMBER
UNITS
PER ASY
ITEM STK PART
NO. CODE NUMBER
UNITS
PER ASY
DESCRIPTION
DESCRIPTION
-
1
B
322657-04
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
Carburetor, Walbro WT463
. Screw, Pump Cover
. Cover, Fuel Pump
. Screw, Idle Adjustment
. Spring
. Gasket, Fuel Pump
. Diaphragm, Fuel Pump
. Screen Fuel Inlet
. Shaft Asy, Throttle
. Spring, Throttle Return
. Shutter, Throttle
. Shaft Asy, Choke
. Shutter, Choke
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
. Gasket, Metering Diaphragm
. Pin, Metering Lever
. Lever, Metering
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
4
2
3
. Spring, Metering Lever
. Screw, Metering Lever Pin
. Valve, Inlet Needle
. Plug, Welch
4
5
6
7
. Plug, Welch
8
. Nozzle Asy, Check Valve
. O-ring, High Needle
. Washer, High Needle
. Needle, Idle
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
. Spring, Idle Needle
. Needle, High
. Spring, High Needle
. Limiter Cap, High Speed
. Limiter Cap, Low Speed
. Retainer, Limiter
. Screw, Shutter and Choke
. Ring, Shaft Retainer
. Lever, Throttle
. Spring, Choke Friction
. Ball, Choke Friction
. Plug
. Ring, Screen Retainer
. Screen, Check Valve
. Seat Asy, Check Valve
. Screw, Metering Cover
325520 Kit, Carburetor Repair,Walbro (A1137WT)
301042 Kit, Gasket/Diaphragm , Walbro (B1110WT)
. Cover, Metering Diaphragm
. Diaphragm Asy, Metering
1
1
7
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P.O. Box 31567 • Tucson Arizona 85751-1567 • U.S.A.
• MANUFACTURING • SALES • SERVICE •
FOR WARRANTY OR SERVICE, CONTACT THE NEAREST McCULLOCH AUTHORIZED SERVICE CENTER
LISTED UNDER ‘SAWS’ IN YOUR TELEPHONE DIRECTORY YELLOW PAGES.
IF FURTHER ASSISTANCE IS REQUIRED, CALL THIS TOLL-FREE HOT LINE.
PLEASE REFERENCE YOUR MODEL AND SERIAL NUMBER.
1-800-521-8559
MONDAY - FRIDAY - 6:00 AM - 4:30 PM (MST)
USE ONLY
GENUINE
McCULLOCH
REPLACEMENT
PARTS
ENGINE SPECIFICATIONS
Displacement, cc (ci) . . . . . . . . . .46cc (2.8ci)
TORQUE SPECIFICATIONS
FASTENER
PART NO.
FIG/ TORQUE
ITEM (IN/LBS) LOCTITE
DESCRIPTION
. . . . . . . . . . . . . . . . . . . . . . . . . .49cc (3.0ci)
C’Case to Fuel/Oil Tank 217937
1/36
55-60
262
242
242
242
-- --
262
133A
262
242
262
Bore, cc (ci) . . . . . . . . . . . . . . . . .46cc, 1.69 in. (43mm)
. . . . . . . . . . . . . . . . . . . . . . . . . .49cc - 1.74 in. (44mm)
Spark Plug . . . . . . . . . . . . . . . . . .92879-00
Flywheel Nut
110961
217936
322854
92879-00
217935
216682
219881
111105
111095
3/22 175-185
Ignition Screw
Ign. Spacer Nut
Spark Plug
3/29
3/31
45-50
45-50
Spark Plug Gap . . . . . . . . . . . . . .0.025 in. (0.635mm)
Starter Rope Length . . . . . . . . . . .41 in. (104cm)
Max RPM (w/bar &chain) . . . . . .11,500
3/33 110-120
Muffler Screws
Muffler Nuts
3/33
3/43
3/46
3/56
3/73
45-50
50-55
45-50
25-30
70-80
Clutch Engagement Speed . . . . . .3,500-3,800 RPM
Fuel Mix . . . . . . . . . . . . . . . . . . . .40:1
Carb Boot Flange
Carburetor Flange
C’Case to Cylinder
Fuel Tank Capacity . . . . . . . . . . . ..11.8 fl. oz (349ml)
Oil Tank Capacity . . . . . . . . . . . . ..22.7 fl. oz (671ml)
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