Briggs & Stratton 1687228, 1687227 User Manual
INSTALLATION
Disassemble Housing
1. Remove the washers and retaining rings (D, Figure
2) from both ends of the auger shaft. Remove the
bearings (C).
2. Remove the hardware securing both side covers (A),
and remove the side covers.
1
Installation
Instructions
Gear Case Kit
Part No. 1687227 & 1687228
For 2004 Simplicity 860EI Intermediate Snowthrowers
1694433, 1694434
Figure 1. Contents
Kit Contents:
Ref Part No. Qty. Description
1 1721684 1 GEAR CASE, RH
2 7090052 6 WASHER, 1/4” SPLIT LOCK
3 7092129 12 WASHER, FLAT, .268 x .591
4 7091576 6 NUT, HEX, 1/4-20
5 7092125 6 SCREW, HEX, 1/4-20 x 7/8
6 1721676 1 GASKET, GEAR CASE
7 1721685 1 GEAR CASE, LH
8 960625 1 FITTING - PIPE PLUG
This kit is to service intermediate snowthrowers.
5
Figure 2. Disassemble Housing
A. Side Cover
B. Housing
C. Bearing
D. Washers & Retaining Ring
A
B
C
D
WARNING
Before beginning any service work turn off the
ignition, and disconnect the spark plug wire(s).
4
3
7
2
1
6
8
3
2
Installation Instructions Gear Case Kit
Figure 3. Auger Assembly
Remove Auger Assembly
1. Remove the impeller set screw (D, Figure 3) and
drive pulley set screws (B).
2. Spray the impeller and pulley hubs with penetrating
oil to help with disassembly.
3. Remove the pulley (C).
4. Remove the key (A).
NOTE: Do not pry on the pulley. If necessary, separate
the front housing from the rear drive section of the
snowthrower and drive the rear auger shaft out of the
pulley (C) with a punch.
5. Remove the impeller (E) from the rear auger shaft.
A
F
E
D
B
B
C
A. Key
B. Set Screws
C. Pulley
D. Set Screw
E. Impeller
F. Gear Box Assembly
Assemble New Gear Box & Impeller
Assembly
1. Reassemble the auger gearbox assembly, impeller
(E, Figure 3), key (A), and pulley (C). Torque the
three set screws (B, D) to 9-11 ft. lbs.
A
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