GMC 1989 Light Duty Truck Repair Manual page 109

REMOVE
1. Wrap 0.1 mm to 0.2 mm
REMOVE
1. Center steering gear.
2. Remove parts as shown.
SID E C O V E R BOLTS
PRELO AD
ADJUSTER
SHIM
PR ELO AD
A DJU STER
PITMAN
SHAFT
1. R E M O V E A N D IN STA LL W O R M S H A FT
SEA L G EA R A S S E M B L E D
INSTALL
1. Install parts as shown.
2. R EM O VE A N D IN STA LL PITM A N S H A FT
A ND SID E C O VER
INSTALL
Before installing turn
preload adjuster screw
counterclockwise until
it bottoms, then back
screw oft one half turn.
Install parts as shown.
PR ELO AD A DJU STER NUT
(If replacing gasket only, do not remove.
PITMAN
SHAFT SEAL
Figure 6 — Model 535 — C hart A
MANUAL STEERING GEAR 3B2-7
Checking end clearance
If clearance is greater than .05 mm
lash adjuster kit is available
PRELO AD
ADJU STER
F EELER G AU G E
(Select to get
proper clearance)
LUBRICATION
The steering gear requires .315 kg (11 oz)
of lubricant GM4673M or equivalent.
.002") a steering gear
SHIM
PITMAN SHAFT
F-04651