Chevrolet 1988 Light Duty Truck Repair Manual page 105

R E M O VE
1. W rap 0.1 m m to 0.2 mm
(.005" to .008") shim stock
around shaft and insert
betw een shaft and seal.
Pry seal out.
W O R M S H AFT
SHIM STO C K
W O R M S H A F T
S EAL
REM O VE
1. C enter steering gear.
2. R em ove parts as shown.
P R ELO AD AD JU S TER NU T
(If replacing gasket only, do not rem ove
| / SIDE C O V ER BO LTS
® SIDE C O V ER
P R ELO AD
^ A D JU S TER
SHIM
PR ELO AD
A D JUS TER
P ITM AN
SH AFT
PITM AN SH AFT
S EA L
1. REMOVE AND INSTALL WORM SHAFT
SEAL GEAR ASSEMBLED
IN S TA LL
1. Install parts as shown. f
S C R E W D R IVE R
HOUSING
NOTICE: Do not turn steering wheel hard
against "stops" when linkage is disconnected.
2. REMOVE AND INSTALL PITMAN SHAFT
AND SIDE COVER
IN STA LL
1. Before installing turn
preload adjuster screw
counter-clockw ise until
it bottom s, then back
screw off one half turn.
2. Install parts as show n
FEELER GAUGE
SIDE C O V ER
(Select to get
G A S KE T
proper clearance)
HOUSING
PITM AN
S H A F T SEAL
S C R E W D R IVE R
H O USING
Figure 2— Model 525 — Chart A
MANUAL STEERING GEAR 3B2-3
1" SO C KE T
W O R M S H A F T
H OU SIN G
Install seal.
C hecking end clearance
If clearance is greater than .05 m m (.002") a steering gear
lash adjuster kit is available.
PRELO AD
A D JU S TER
Install seal
LUBRICATION
The steering gear requires .312 kg (11 oz)
of lubricant G M 4673M or equivalent.
S EA L
.J
SHIM
PITM AN SHAFT
' " I
_J
F-04647