Simplicity 1691682 Service & Repair Manual page 239

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11
12
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Figure 21. Late Model Arbor Assembly
Arbor Disassembly - Late Model Arbors
Refer to Figure 21 for the following instructions.
1. Grip the arbor shaft (Ref. 12,) in a soft-jaw vice and
remove the hex nut (Ref. 1) and belleville washers
(Ref. 2).
2. Remove the the pulley (Ref. 3) and spacer (Ref. 4).
NOTE: If the spacer is seized onto the arbor shaft, soak
with rust penetrant to separate. If the parts must be
forced apart, thread the hex nut back onto the arbor shaft
to protect the threads and tap the end of the arbor shaft
with a rubber mallet.
3. Remove the arbor housing cover (Ref. 5) by prying it
apart with two small screwdrivers.
4. Separate the arbor shaft (Ref. 12), bearings (Ref. 6),
lower housing (Ref. 9), and washer (Ref. 11)
Replace parts as necessary.
NOTE: The arbor shaft may have up to 1/8" of end-
play. This is normal and acceptable.
2
Late Model Arbor Assembly
Ref. Qty.
1 2
2 4
3 2
4 2
5 4
6 2
7
7 2
8 2
9 2
10 1
11 2
12 2
13 1
14 1
15 2
16 2
17 2
15
16
17
Arbor Assembly - Late Model Arbors
Refer to Figure 21 for the following instructions.
1. Install the washer (Ref. 11) on the arbor shaft
2. Install the shaft and washer assembly through the
3. Fill the housing with Simplicity Multi-Purpose Lithium
4. Assemble the foam gasket (Ref. 8), arbor housing
NOTE: If a new foam gasket is not used, seal the arbor
housing and cover with RTV or silicon sealer.
5. Align the alignment pins on the arbor housing and
6. Torque the hex nut (Ref. 1) to 50-70 ft. lbs.
7. Install the arbor assembly in the deck shell and
8. Install the lower grass shield and mower blades as
8 - 19
8 Mower Deck Repair
Arbor Repair - Later Models
Description
NUT, Hex, Flange, 9/16-8
WASHER, Belleville
PULLEY
HUB ADAPTER, Pulley
COVER, Arbor Housing
BEARING
SPACER
GASKET, Foam .
ARBOR HOUSING ASSY
FITTING, Grease
WASHER
SHAFT, Arbor
SHIELD, Lower Grass
BLADE, Mower, 16-1/8"
WASHER, Hex
WASHER, Spring
CAPSCREW, Hex, Hd., 7/16-14 x 1
(Ref. 12). Install the washer cup side down.
arbor housing (Ref. 9), bearings (Ref. 6), and spacer
(Ref. 7).
Grease or equivalent.
cover (Ref. 5), pulley hub adapter (Ref. 4), pulley
(Ref. 3), belleville washers (Ref. 2) and nut (Ref. 1)
as shown.
cover and press housing together.
secure with the 6 hex head taptite screws (see Figure
15).
described in Mower Blade Service.