Instruction Sheet
Kit Numbers: 51121600, 51121700, 51121800 & 51122300
CRANK PULLEY KIT
WARNING: FAILURE TO FOLLOW
INSTRUCTIONS could result in personal injury
and/or damage to unit.
Read, understand, and follow all safety practices
in Owner/Operator Manual before beginning.
Package Contents
Check the contents of your kit for the parts listed below.
Also see Figure 1.
Item
Description
1 Ground Drive Pulley
(51121600, 51121700)
2 Ground Drive Pulley
(51121800, 51122300)
3 Dome Plug (51121600,
51121700)
4 Belt Channel Plug (51121800,
51122300)
5 10-24 x 3/8" Tapping Screw
(51121800, 51122300)
6 1 x 1 3/8 x .179" Spacer
(51121700, 51122300)
7 3/16 x 3/16 x 5/8" Square Key
8 1 3/32" Wave Washer
9 3L Wrapped V-Belt
10 Belt Crank Guide
11 12-24 x 1/4" Hex Washer
Head Machine Screw
12 12-24 x1" Hex Washer Head
Tapping Screw
Copyright 2015 • Ariens Company • Brillion, WI 54110
Qty Ariens P/N
1
07343800
1
07344500
DISASSEMBLY
1
07500339
Models 911174, 175, 178, 179, 181, 375, 379
1
04853600
2
07400033
1
05501224
1
06600219
1
09250700
1
07200633
1
04866851
4
06100223
1
07400121
6
9
1, 2
8
10
11
Figure 1
1. Disconnect spark plug wire.
2. Move cable adjuster to loosen wheel drive cable.
3. Disconnect the drive cable spring from the
transmission bracket. See Figure 2.
2
1
1. Drive Cable Spring
2. Transmission Bracket
Figure 2
12
7
3
4
5
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