McCulloch M53-170WFP User Manual

ILLUSTRATED PARTS LIST

MODEL NUMBER M53-170WFP
PRODUCT NUMBER 961 41 02-78
MFG. ID. NUMBER 96141027800

581 68 20-27 Rev. 1 04.15.14 BY

MCCULLOCH ROTARY LAWN MOWER - MODEL NO. M53-170WFP (96141027800) PRODUCT NO. 961 41 02-78

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MCCULLOCH ROTARY LAWN MOWER - MODEL NO. M53-170WFP (96141027800) PRODUCT NO. 961 41 02-78

KEY PART
NO. NO. DESCRIPTION

1 580 63 87-02 Upper Handle
2 532 43 45-14 Lower Handle
3 580 84 91-04 Control Bar, Molded
4 532 42 40-33 Engine Zone Control Cable
5 532 19 15-74 Handle Bolt
6 532 19 19-38 Handle Knob
7 532 05 17-93 Hairpin Cotter
9 532 40 69-85 Rear Door
10 532 12 84-15 Pop Rivet
11 532 41 05-40 Support Bracket, LH
12 532 41 05-42 Support Bracket, RH
13 817 06 04-10 Screw 1/4-20 x 5/8
14 532 43 45-13 Handle Bracket Assembly, LH
15 532 43 45-12 Handle Bracket Assembly, RH
16 532 40 54-17 Spring, Rear Door, LH

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17 532 40 54-18 Spring, Rear Door, RH
18 532 13 20-04 Nut, Hex
19 532 19 47-88 Rope Guide
20 532 43 61-19 Foot Guard, C.E.
21 817 49 04-16 Screw, Tapping 1/4-20 x 1/2
24 581 04 40-01 Engine, Rato, Model Number RV170
(See Breakdown)
25 532 15 04-06 Hex Head Thread Rolling Screw 3/8-16 x 1-1/8
26 532 40 91-49 Hex Flange Nut
27 581 01 03-05 Wheel & Tire Assembly, Rear, 12"
28 532 40 16-38 Shoulder Bolt 5/16-18 x .33
30 532 41 31-41 Axle Arm Assembly, Rear
31 532 08 78-77 Selector Knob
32 532 40 98-89 Selector Spring
33 873 80 05-00 Nut, Hex 5/16-18
34 532 40 16-30 Washer, Curved, Cylindrical
36 532 18 41-93 Bolt

KEY PART
NO. NO. DESCRIPTION

37 874 78 05-12 Thread Cutting Screw w/Sems 5/16-18 x 3/4
38 532 40 16-29 Spacer
39 532 15 53-77 Nut, Hex, Flanged 5/16-18
40 532 43 50-59 Belt Keeper
44 532 40 92-65 Kit, Lawn Mower Housing
(Includes Key Numbers 10, 11, 12 and 45)
45 532 18 21-66 Danger Decal
46 532 43 22-79 Blade Adapter / Pulley
47 532 19 93-77 Blade, 21"
48 532 85 10-74 Hardened Washer
49 532 85 02-63 Helical Washer 3/8-24 x 1-3/8 Grade 8
50 532 18 17-12 Hex Head Machine Screw 3/8-24 x 1-3/8 Grade 8
57 532 43 00-34 Upstop Bracket
58 532 17 88-48 Screw, Hex Washer Head #10-16 x 5/8
59 532 17 50-71 Discharge Defl ector
60 532 17 57-35 Hinge Bracket
61 532 19 30-00 Hinge Spring
62 532 17 56-50 Hinge Rod
63 873 80 04-00 Nut, Hex
64 532 17 50-66 Mulcher Door
65 532 19 74-80 O-Ring
66 532 08 83-48 Washer, Flat
96 532 19 79-91 Clip, Cable
98 872 25 05-05 Bolt, Carriage
100 580 29 06-01 Shroud, Engine
101 580 77 53-01 Screw, Mounting, Engine Shroud
102 532 42 81-24 Fastener, Push
104 532 14 50-06 Clip, Cable

- - 532 19 97-32 Decal, Warning (not shown)

- - 115 53 83-20 Operator’s Manual, European

- - 115 53 83-10 Operator’s Manual, Scandinavian

- - 115 53 83-50 Operator’s Manual, East Bloc

- - 115 53 83-40 Operator’s Manual, Baltic

NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm. IMPORTANT: Use only Original Equipment Manufacturer (O.E.M.) replacement parts.

Failure to do so could be hazardous, damage your lawn mower and void your warranty.

MCCULLOCH ROTARY LAWN MOWER - MODEL NO. M53-170WFP (96141027800) PRODUCT NO. 961 41 02-78

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MCCULLOCH ROTARY LAWN MOWER - MODEL NO. M53-170WFP (96141027800) PRODUCT NO. 961 41 02-78

KEY PART
NO. NO. DESCRIPTION

1 581 07 69-01 Drive Control Assembly (Includes Cable)
7 580 65 93-02 Control Bar, Drive
11 581 00 92-05 Wheel & Tire Assembly, Front (Driven)
12 812 00 00-58 E-Ring
13 532 40 38-49 Pinion Assembly
14 581 84 04-01 Dust Cover
15 532 40 48-45 Pawl, Drive

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16 532 06 77-25 Washer 1/2 x 1-1/2 x .134
18 532 08 78-77 Selector Knob
25 532 43 17-11 Belt Keeper
26 532 16 34-09 Screw, Hi-Lo Thread #12 x 5/8
28 532 43 26-62 Drive Cover Assembly (Includes
Mounting Screw and Pushnut)

KEY PART
NO. NO. DESCRIPTION

29 532 19 41-49 V-Belt
32 532 44 32-62 Drive Pulley
33 532 40 91-48 Locknut, Hex
35 532 43 84-85 Kit, Wheel Adjuster, LH
(Includes Knob and Bearing)
36 532 40 48-33 Gearcase Assembly, Complete
38 873 80 04-00 Locknut, Hex 1/4-20
40 532 40 65-58 Spring
41 532 43 84-86 Kit, Wheel Adjuster, RH
(Includes Knob and Bearing)
54 580 95 34-04 Grassbag
57 532 41 19-50 Frame, Grassbag

NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm. IMPORTANT: Use only Original Equipment Manufacturer (O.E.M.) replacement parts.

Failure to do so could be hazardous, damage your lawn mower and void your warranty.

RATO ENGINE - - MODEL NUMBER RV-170 (PART NUMBER 581 04 40-01)

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RATO ENGINE - - MODEL NUMBER RV-170 (PART NUMBER 581 04 40-01)

KEY PART
NO. NO. DESCRIPTION

1 532 43 75-56 Cover, Valve Cover
2 532 43 75-57 Gasket, Valve Cover
3 581 66 83-01 Plug, Spark
4 581 85 62-01 Dipstick, Oil
5 581 66 35-01 Recoil Starter Assembly
(with Hardware)
6 581 85 67-01 Recoil Strater Handle (without Rope)
7 581 85 77-01 Carburetor Gasket Kit (Consists of:
Carburetor Insulator Plate, Insulator
Plate Gasket, Carburetor Gasket
and Carburetor Insulator Gasket)
8 581 66 94-01 Carburetor Assembly
9 581 67 01-01 Gasket, Air Cleaner
10 581 67 06-01 Tube, Breather
11 532 43 75-68 Nut, M6
12 581 67 20-01 Base, Air Cleaner
13 581 85 78-01 Service Kit, Carburator
(Consists of: Float Bowl Bolt, Fuel
Drain Plug, Float Bowl Washer and
Fuel Drain Washer)
14 581 67 21-01 Cover, Air Cleaner Case
15 532 43 93-77 Element, Air Cleaner
16 581 85 80-01 Muffl er Guard (Includes M6 Nut)
17 581 85 81-01 Coil, Ignition
(Includes M6 Bolt and M6 Stud)
18 532 43 93-78 Cap, Spark Plug
19 532 43 75-75 Cap, Fuel
20 532 43 75-76 Tank, Fuel (Includes M6 Bolt)
21 581 85 82-01 Service Kit (Consists of:
Fuel Hose, Breather Hose,
Hose Clamps and Clip)
22 581 51 26-01 Spark Arrester (Includes M6 Nut)
23 581 67 25-01 Muffl er
24 581 67 26-01 Gasket, Exhaust
25 581 85 83-01 Brake Assembly (Includes
Kill Switch and M6 Bolt)

KEY PART
NO. NO. DESCRIPTION

26 580 29 06-01 Shroud, Engine (Includes M5 Bolt)
581 85 74-01 Shroud, Engine (Without M5 Bolt)
27 581 67 27-01 Spring, Governor
28 581 85 85-01 Throttle Linkage
(Consists of: Governor Rod
and Throttle Return Spring)
29 581 85 86-01 Throttle Control Assembly
(Consists of: Governor Control
Bracket and Mounting Plate)
30 532 43 93-82 Fuel Tank Bracket Assembly
(Consists of: LH and RH Mounting
Brackets and M6 Bolts)
31 581 66 59-01 Blower Housing
32 581 85 84-01 Flywheel Assembly
(Includes Nut, Washer and Key)
33 580 49 14-01 Key, Crankshaft
34 580 49 15-01 Bolt, Valve Cover
35 580 49 17-01 Stud
36 581 67 32-01 Stud, M6
37 580 49 18-01 Filter, Fuel
38 580 49 40-01 Stud, Blower Housing, M6
39 583 94 59-01 Temperature Control System
40 583 94 59-02 Thermal Rod

NOT ILLUSTRATED:

- - 581 85 65-01 High Altitude Kit, C.E.
(Consists of: Main Jet #3000,
Washers and Instruction Sheet)

- - 581 51 26-01 Exhaust Defl ector Assembly

- - 115 55 07-29 Owner’s Manual

- - 581 85 89-01 Engine Assembly (without Shroud),
61mm Crankshaft

- - 581 85 89-02 Engine Assembly (without Shroud),
80mm Crankshaft

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