Chevrolet 70 1969 Series, Shop Manual

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STEERING 9-26
F ig u re 1 4 — In s t a llin g E n d Plate R e t a in in g R in g
IN S T A L L IN G S P R IN G IN S T A L L IN G V A L V E
_______________________________________ T PM 6 9 4 1
F ig u re 1 5 — In s ta llin g Flo w C o n tro l V a lv e a n d S p r in g
O - R in g Se al
.......—
Metjjjjtsf
TPM-
F ig u re 1 6 — In s ta llin g P re ssu re U n io n O - R in g S e a l
SLIPPER T Y P E HYDRAULIC PUMP
HYDRAULIC PUMP OVERHAUL
DISASSEMBLY
1. Clean outer surface of pum p assembly thoroughly to
remove all accum ulations of dirt or other foreign m a ­
terial.
2. Remove cap screw and lock washer attaching reser­
voir to pum p housing. Rem ove reservoir and gasket.
3. M ount pum p assem bly in a vise with soft jaw s as
shown in figure 1, then using puller (J-8646-02), re­
move pulley and hub assem bly from pum p shaft.
4. Use a center punch to m ark pum p housing, spanner
nut, and front insert assem bly so parts can be reas­
sembled in sam e position.
5. Use a spanner wrench or a 1/4 inch drift and h a m ­
m er to loosen and remove spanner nut.
6. Sup port pum p housing in an arbor press so front in­
sert is clear. Use a sm ooth 1 /2 inch diam eter bar to
press drive shaft, rotor assembly, and front insert out
of pum p housing.
C A U T IO N : Do not d a m a g e p u m p rear bearing.
7. Remove four slippers and springs from rotor.
8. Using special pliers (fig. 2). remove flow control valve
retaining ring from housing; then remove plug with O-
CHEVROLET SERIES 70-80 H EAVY DUTY TRUCK SH O P M A N U A L