Troubleshooting, Adjustment & Service

REAR TIRE CAMBER ADJUSTMENT

The rubber bushings in the cast A-arms may stretch and wear with time and adversely affect the angle that the rear tire runs against the ground.

To evaluate if the rear tire camber should be adjusted, park the machine on a flat and level surface and view the machine from behind. If you can visually notice that the top of either rear tire is angled towards the machine then the rear tire camber needs to be adjusted.

To adjust the camber you will need to order and install the correct amount of camber shims (P/N 5100332) for each tire that needs to be adjusted from your dealer. Shims should only be installed in even numbered quantities

To discover how many shims are needed:

1.Park the machine on a flat level surface. Disengage the PTO, stop the engine, remove the ignition key, and engage the parking brake.

2.Place a carpenters square against the rear tire. The bulge in the sidewall will not allow the square to contact the bottom outside edge of the tire where it first contacts the ground.

3.See Figure 36. Measure and record the distance from the carpenters square to the top of the tire (A, Figure 36.) Measure and record the distance from the carpenters square to the bottom of the tire (B.) Subtract the bottom measurement from the top measurement and reference the chart below for the number of shims that are needed. If the measurement is greater than .75” (1,91 cm) contact your dealer.

Distance Measured

Number of Shims

Needed

 

.2” (,51 cm)

2

 

 

.4” (1,04 cm)

4

 

 

.6” (1,52 cm)

6

 

 

Installing the camber shims:

1.Park the machine on a flat level surface. Disengage the PTO, stop the engine, remove the ignition key, and engage the parking brake.

2.Jack up the rear of the machine and secure with jack stands. Remove the rear tire.

3.Loosen but do not remove the two (2) 1/2-20 X 3” (A, Figure 37) bolts and the (2) 1/2-20 X 1-3/4” bolts (B.)

4.Install the new camber shims (E) between the adjustable A-arm mount (C) and the rigid A-arm mount (D.) The bottom of the slots on the camber shim should rest snugly against the shaft of the 1/2-20 X 3” bolts and the 1/2-20 X 1-3/4” bolts.

5.Retighten the two (2) 1/2-20 X 3” bolts and the (2) 1/2-20 X 1-3/4” bolts.

6.Reinstall the tire.

A

B

Figure 36. Measuring the Camber Distance

A.Top Measurement

B.Bottom Measurement

A

D

F

C

B

E

Figure 37. Installing the Rear Tire Camber

A.1/2-20 x 3” Bolt

B.1/2-20 x 1-3/4” Bolt

C.Adjustable A-arm Mount

D.Rigid A-arm Mount

E.Camber Shims

F.1/2-20 Hex Nylon Nut

Troubleshooting

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Briggs & Stratton 5900619 Rear Tire Camber Adjustment, To discover how many shims are needed, Installing the camber shims
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5900619 specifications

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