McCulloch Chainsaw Parts List 211594-03 MS1846AV MS2046AV M1849AV MS2049 MAC 4600 4900 5500 PM1846AV PM2046AV PM1849AV PM2049AV PRO MAC 4700 5000 5500 Silver Eagle 2818 3020 TimberBear 20

46 / 49 / 55cc GASOLINE POWERED ANTI-VIBRATION (AV) CHAINSAWS

MS1846AV - 18 46cc

MS2046AV - - 20 46cc

M1849AV - - 18 49cc

MS2049 - - 20 49cc

MAC 4600 11- / 22- 600465-00 18 46cc

MAC 4600 11- / 22- 600465-01 20 46cc

MAC 4600 11- / 22- 600465-02 16 46cc

MAC 4600 11- 600465-07 46cc

MAC 4600 11- 600465-09 46cc

MAC 4600 11- 600465-12 46cc

MAC 4900 11- 600498-01 49cc

MAC 4900 11- / 22- 600498-02 20 49cc

MAC 4900 11- 600498-03 49cc

MAC 4900 11- 600498-08 49cc

MAC 4900 11- 600498-13 49cc

MAC 5500 22- 600555-00 55cc

PM1846AV - - 18 46cc

PM2046AV - - 20 46cc

PM1849AV - - 18 49cc

PM2049AV - - 20 49cc

PROMAC 4700 22- 600465-03

PROMAC 5000 22- 600498-20

PROMAC 5500 22- 600555-02 55cc

SILVER EAGLE 2818

SILVER EAGLE 3020

TIMBERBEAR 20 - - 20 49cc

TIMEBERBEAR 22- 600555-01 55cc

Engine Specs

Displacement, cc (ci) . . . . . . . . . .46cc (2.8ci)

. . . . . . . . . . . . . . . . . . . . . . . . . .49cc (3.0ci)

Bore, cc (ci) . . . . . . . . . . . . . . . . .46cc, 1.69 in. (43mm)

. . . . . . . . . . . . . . . . . . . . . . . . . .49cc - 1.74 in. (44mm)

Spark Plug . . . . . . . . . . . . . . . . . .92879-00

Spark Plug Gap . . . . . . . . . . . . . .0.025 in. (0.635mm)

Starter Rope Length . . . . . . . . . . .41 in. (104cm)

Max RPM (w/bar &chain) . . . . . .11,500

Clutch Engagement Speed . . . . . .3,500-3,800 RPM

Fuel Mix . . . . . . . . . . . . . . . . . . . .40:1

Fuel Tank Capacity . . . . . . . . . . . ..11.8 fl. oz (349ml)

Oil Tank Capacity . . . . . . . . . . . . ..22.7 fl. oz (671ml)

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:

A - Dealer stocked. Fast to medium moving part.

B - Distributor stocked. Medium to slow moving part.

C - Factory stocked. Slow moving part.

NOTE: The following explains symbols and footnotes in this IPL:

(-) 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.

(.) 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).

(-- --) 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.

Circled numbers preceding a DESCRIPTION footnote the part or assembly to additional information on the page.

(*) An asterisk denotes that choices follow or precede.

(†) Serial Number Prefix 21- denotes CARB approved unit -- all parts are interchangeable with Serial Number Prefix 11-.

Part Numbers (See Parts Diagram Below)

Bar and Chain

Size - Bar Number - Chain Number - Specifications

16” - MC-323219-33 - MC-323218-33

18” - MC-323215-33 - MC-323214-33 - PMG320GLX

20” - MC-323217-33 - MC-323216-33

1 - FIGURE 2 Powerhead Asy 1

2 - FIGURE 4 Chain Brake Asy 1

3 - FIGURE 5 Rear Handle Asy 1

4 - FIGURE 3 Bar Information 1

5 - FIGURE 3 Chain Information 1

6 B MC-300730 Fuel/Oil Tank Asy (Black) 1

7 A MC-322199 Valve, Duckbill 2

8 A MC-300259 Filter, Foam 2

9 C MC-322859 Retainer, Vent 1

10 B MC-322883 Spacer 4

11 B MC-322647 Hose, Pulse 1

12 A MC-300869 Pickup, Fuel 1

13 A MC-301417 Isolator Asy Handle 1

14 A MC-322860 Hose, Fuel 1

15 A MC-224242-02 Primer, Remote 1

16 A MC-322861 Hose, Primer 1

17 B MC-111107 Bolt, Bar 5/16-18, Shoulder 2

18 C MC-218480 Hose, Oil 1

19 A MC-225062 Pickup, Oil 1

20 B MC-322867 Hose, Fuel/Oil 1

21 A MC-301112 Fuel Cap Asy 1

22 - -- -- Gasket 1

23 A MC-300917 Oil Cap Asy 1

24 - -- -- Gasket, Oil Cap 1

25 A MC-111142 O-Ring, .013 1

26 B MC-322658 Washer, Bar Bolt 1

27 A MC-520001-33 Bar Adj Screw Nut & Ring 1

28 - -- -- Nut, Bar Adjusting 1

29 C MC-322873 Plate, Bar 1

30 C MC-111143 Screw, 6-19 x .375 1

31 C MC-301612 Plate, Bar Guide 2

32 C MC-322880 Lever, Choke 1

33 B MC-300728 Rod, Choke 1

34 C MC-323339 Plug, Pulse Hose 1

35 C MC-301615 Plate, Flange 1

36 A MC-217937 Screw, 10-24x1 Torx 4

37 C MC-322665 Precleaner Asy 1

38 A MC-223357 Screw, 8-16 Plast 1

39 B MC-105976 Washer, #8 Plain 1

40 C MC-322666 Boot, Intake 1

*41 C MC-300226 Starter Asy (Yellow) 1

42 C MC-301914 Housing/Rope Guide Asy 1

43 - -- -- Housing, Starter (Yellow) 1

44 - -- -- Rope Guide 1

45 - -- -- Tube, Rope Guide 1

46 A MC-300475 Spring, Starter Rewind 1

47 B MC-300228 Pulley, Starter 1

48 B MC-300229 Pawl, Starter 2

49 C MC-300230 Plate, Starter 1

50 C MC-300231 Spring, Friction 1

51 C MC-300232 Spacer, Starter 1

52 C MC-300233 Screw, Shoulder 1

53 A MC-300234 Rope, Starter 45” 1

54 A MC-87851 Handle, Starter 1

55 A MC-223944 Bushing, Starter 1

56 B MC-111157 Spacer, 10x.135 1

57 C MC-111111 Screw, 10-14x.625 Torx 3

58 A MC-217935 Screw, 10-24x.5 Torx 1

59 B MC-111068 Screw, 10-14x1.38 Torx 1

60 C MC-322671 Handle, Front 1

61 A MC-300292 Retainer, Nut 2

62 A MC-218005 Nut, Sq 10-24 2

63 C MC-111117 Screw, 10-14x1 Plast 2

64 C MC-300296 Screw, 10-24x.5 PnHdTorx 2

65 C MC-301419 Top Cover Asy (Black) 1

66 C MC-111110 Screw, 10-14x2 2

67 C MC-111109 Screw, 10-14 Torx Hd 1

68 A MC-300922 Air Cleaner Asy 1

69 C MC-322659 Cover, Air Cleaner (Black) 1

70 A MC-111099 Screw, k10-24x.625 PnHdTorx 2

71 C MC-302416 Isolator Asy 1

72 C MC-323344 Cable Asy, AV Spring 1

73 C MC-325172 Plate, Flange 1

11600465-00 11600465-01

11600465-02 11600465-07

11600465-09 11600465-12

11600498-01 11600498-02

11600498-03 11600498-08

11600498-13

11600465-03 11600498-04

11600465-08 11600498-09

Powerhead Assembly

1 A MC-301912 Kit, Oil Pump Asy 1

2 A -- -- Pump Asy, Oil 1

3 A MC-322182 Fitting 2

4 C MC-322635 Screw, Adj 1

5 B MC-301913 Kit, Gear/Plunger Asy 1

6 - -- -- Piston/Gear Asy 1

7 - -- -- Spring, Comp 1

8 - -- -- O-ring 1

9 A MC-110582 Washer 1

10 B MC-111162 O-Ring, 1.625x.06 1

11 A MC-323435 Washer, Felt 1

12 B MC-322864 Connector, Oil Pump 1

13 C MC-322662 Gear, Worm 1

14 C MC-322884 Washer 1

15 B MC-323126 Seal, Felt 1

16 C MC-111108 Screw, #8 Plast 3

17 C MC-322856 Washer, Clutch Drum 1

18 C MC-111104 Bearing, 10x13x13mm 1

19 A MC-301338 Drum/Sprocket Asy, .325x8T 1

*20 A MC-300726-01 Clutch Asy, Old, Threaded 1

20 A MC-9228-310210 Clutch Asy, New, No Thread 1

21 A MC-322848 Flywheel 1

22 A MC-110961 Nut, Hex 5/16-24 1

23 B MC-301759 Ignition Asy 1

24 A MC-223884 Kit, Spark Plug Wire 1

25 A MC-102556 Connector, Spark 1

26 A MC-95266 Boot, Spark Plug 1

27 A MC-215533-0 1 Grommet, H/T Lead 1

28 A MC-110995 Grommet, S/Plug Wire 1

29 A MC-217936 Screw, Tr 10-24x.75 Torx 1

30 C MC-322881 Contact, Ground 1

31 B MC-322854 Spacer, Nut 10-24x.834 1

32 B MC-322855 Stud, 10-24x1.105 1

33 A MC-92879 Spark Plug, RDJ8J 1

34 C MC-322853 Baffle, Muffler Gasket 1

35 C MC-300923 Muffler Asy 1

36 C MC-300720 Screw, Muffler 2

37 - -- -- Body Asy, Muffler 1

38 A MC-217935 Screw, 10-24x.5 Tr Torx 1

39 - -- -- Baffle, Muffler 1

40 B MC-300719 Screen, Spark Arrester 1

41 - -- -- Body, Muffler, Outer 1

42 B MC-301609 Lock Plate 1

43 A MC-216649 Nut, 10-24 Hex Lock 2

44 C MC-322655 Eyelet, Boot 1

45 C MC-322649 Flange, Boot 1

46 B MC-219881 Screw, 10-24x.62 TrHdTorx 2

47 C MC-322648 Boot, Carburetor 1

48 C MC-322656 Eyelet, Carburetor 1

49 C MC-322650 Flange, Carburetor 1

50 A MC-323536 Gasket, Carburetor 1

51 C MC-322879 Boot, Carburetor 1

52 - FIGURE 6 Carburetor Asy 1

53 C MC-322652 Bracket, Carburetor 1

54 C MC-322653 Boot, Intake 1

55 C MC-322654 Spring, Garter 1

56 C MC-111105 Screw, 10-24, Carb Clamp 2

57 A MC-216635 Washer, Special #10 2

58 - -- -- C’shaft/ConRod/Bearing Asy 1

59 C MC-215946 Bearing, Ball 2

60 A MC-300222 Seal, Crankshaft 2

61 A MC-102164 Key, Wdf #206 1

62 - -- -- Crankcase/Fitting Asy 1

63 - -- -- Fitting, Pulse Line 1

64 C MC-323395-01 Clamp, Wire, Hose 1/4” 1

65 B MC-323433 Conduit, Flex 1

66 - -- -- Piston Asy, 46cc 1

66 - -- -- Piston Asy, 49cc 1

67 - -- -- Pin, Piston 1

68 - -- -- Bearing, Piston Pin 1

69 - -- -- Ring, Retaining 2

70 - -- -- Ring, Piston, 46cc 1

70 - -- -- Ring, Piston, 49cc 1

71 A MC-300292 Retainer, Nut 4

72 A MC-218005 Nut, 10-24 Sq 4

73 C MC-111095 Screw, 10-24x2.75 Torx 4

74 A MC-216683 Washer, #10 Special 4

75 B MC-301926 Short Block Asy 1

11600465-00 11600465-01

11600465-02 11600465-03

11600465-07 11600465-08

11600498-01 11600498-02

11600498-03 11600498-04

11600498-08 11600498-08

11600465-09 11600465-12

11600498-13

11600465-00 11600465-01

11600465-02 11600465-03

11600465-07 11600465-08

11600465-09 11600465-12

11600498-01 11600498-02

11600498-03 11600498-04

11600498-08 11600498-09

11600498-13

Chain Brake

A MC-300723 Chain Brake, Inertia (Yellow) 1

2 C MC-110737 Clip, “U” 1

3 - -- -- Latch Asy, Chain Brake 1

4 - -- -- Pin, Brake Band 1

5 - -- -- Pin, Latch 1

6 - -- -- Slider 1

7 - -- -- Pivot, Latch 1

8 C MC-322886 Screw, Band Anchor 1

9 - -- -- Flat, Brake 1

10 - -- -- Washer, “D” 1

11 - -- -- Waher, Spring 1

12 - -- -- Lever Pivot 1

13 - -- -- Pin, Spring Hook 1

14 C MC-323537 Band, Brake 1

15 C MC-218079 Ring, Retaining 1

16 B MC-217440 Spring, Chain Brake 1

17 B MC-218641 Stop, Chain 1

18 B MC-111226 Screw, 10-24x.62 TrHdTorx 3

19 B MC-301614 Spike 1

20 C MC-111169 Screw 2

21 A MC-218315 Nut, 10-24 2

22 B MC-219058 Label, Safety 1

23 A MC-322885 Nut, Bar 5/16-18 2

Rear Handle

1 C MC-301916 Handle/Trigger Asy 1

2 A MC-300727 Cable, Throttle 1

3 A MC-300297 Washer, .19idx.68od 1

4 A MC-111180 Screw, 8-16x.5 Torx 1

5 C MC-322870 Release, Trigger 1

6 C MC-322869 Trigger 1

7 C MC-322875 Spring, Trigger 1

8 C MC-322876 Spring, High Idle 1

9 C MC-322874 Latch, High Idle 1

10 C MC-322878 Grommet, Throttle 1

11 C MC-322670 Frame, Rear 1

12 C MC-301397 Cover Asy, Handle 1

13 B MC-224245 Button, Stop Switch 1

14 B MC-62451 Contact, Ignition Switch 1

15 B MC-322851 Wire Asy 1

16 B MC-111069 Screw, 8-16x.375 Plast 2

17 C MC-322881 Contact, Ground 1

18 A MC-322852 Wire, Ground Asy 1

19 A MC-111113 Screw, Rear Frame Cover 3

20 A MC-111180 Screw, 8-16x.5 Torx 1

21 A MC-300299 Screw, 8-16x1 Torx Plast 1

22 A MC-301417 Isolator Asy, Handle 1

23 C MC-323344 Safety Cable Asy 1

Carburetor

 B MC-322657-04 Carburetor, Walbro WT463

1 -- -- Screw, Pump Cover 1

2 -- -- Cover, Fuel Pump 1

3 -- -- Screw, Idle Adjustment 1

4 -- -- Spring 1

5 -- -- Gasket, Fuel Pump 1

6 -- -- Diaphragm, Fuel Pump 1

7 -- -- Screen Fuel Inlet 1

8 -- -- Shaft Asy, Throttle 1

9 -- -- Spring, Throttle Return 1

10 -- -- Shutter, Throttle 1

11 -- -- Shaft Asy, Choke 1

12 -- -- Shutter, Choke 1

13 -- -- Screw, Shutter and Choke 2

14 -- -- Ring, Shaft Retainer 1

15 -- -- Lever, Throttle 1

16 -- -- Spring, Choke Friction 1

17 -- -- Ball, Choke Friction 1

18 -- -- Plug 1

19 -- -- Ring, Screen Retainer 1

20 -- -- Screen, Check Valve 1

21 -- -- Seat Asy, Check Valve 1

22 -- -- Screw, Metering Cover 4

23 -- -- Cover, Metering Diaphragm 1

24 -- -- Diaphragm Asy, Metering 1

25 -- -- Gasket, Metering Diaphragm 1

26 -- -- Pin, Metering Lever 1

27 -- -- Lever, Metering 1

28 -- -- Spring, Metering Lever 1

29 -- -- Screw, Metering Lever Pin 1

30 -- -- Valve, Inlet Needle 1

31 -- -- Plug, Welch 1

32 -- -- Plug, Welch 1

33 -- -- Nozzle Asy, Check Valve 1

34 -- -- O-ring, High Needle 1

35 -- -- Washer, High Needle 1

36 -- -- Needle, Idle 1

37 -- -- Spring, Idle Needle 1

38 -- -- Needle, High 1

39 -- -- Spring, High Needle 1

40 -- -- Limiter Cap, High Speed 1

41 -- -- Limiter Cap, Low Speed 1

42 -- -- Retainer, Limiter 1

325520 Kit, Carburetor Repair,Walbro (A1137WT)

301042 Kit, Gasket/Diaphragm , Walbro (B1110WT)

Torque Specs

DESCRIPTION - FASTENER NUM. - TORQUE (IN/LBS) - LOCTITE (IF REG.)

C’Case to Fuel/Oil Tank - 217937 - 55-60 - 262

Flywheel Nut - 110961 - 175-185 - 242

Ignition Screw - 217936 - 45-50 - 242

Ign. Spacer Nut - 322854 - 45-50 - 242

Spark Plug - 92879-00 - 110-120

Muffler Screws - 217935 - 45-50 - 262

Muffler Nuts - 216682 - 50-55 - 133A

Carb Boot Flange - 219881 - 45-50 - 262

Carburetor Flange - 111105 - 25-30 - 242

C’Case to Cylinder - 111095 - 70-80 - 262

P/N 211594-03

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