Sec. 9B
P age 55
POWER STEERING
Actual conditions w ill dictate rep lacem en t in ter
v a ls, how ever, under norm al conditions rep la ce
ment on a sem i-an n u al b a sis should be su fficient.
To help prevent repeated fa ilu r e s, it is r e c
om m ended that th is filte r be in sta lle d at tim e of
overhaul on any unit experiencing a pow er steering
com ponent fa ilu r e. When used for th is purpose, it
should be rep laced after the fir s t 500 m iles of
s e r v ic e .
INSTRUCTIONS
1. Cut a 3 - inch sectio n from the return line
h o se and in sta ll the filte r a s shown in figure 1.
(Installation should be made as c lo s e to the pump
a s p o ssib le .) C are should be taken to en su re hose
clam p s a re p rop erly p osition ed behind sealing
rin g s of filte r .
NOTE: The d irection of flow is indicated on
the filte r and, under no c ir cu m sta n ces, should the
elem en t be r e v ersed .
2. Tape the filte r elem ent and the return line
to the p r e ssu r e hose as shown. It is im portant that
the return lin e be taped on both sid e s of the filter
to syn ch ron ize vibration.
3. B leed hydraulic sy ste m a s outlined in cur
rent S erv ice M anuals.
PUMP DRIVE BELT
ADJUSTMENT
NOTE: When adjusting a new drive b elt, adjust
ten sio n to "New" belt sp ec ific a tio n s, turn engine
SPECIFICATIONS
POWER STEERING GEAR APPLICATION CHART
TRUCK SERIES
GEAR MODEL
RATIO
CE/CS40; C E/C G /C M /C S50;
C E /C M /M E 6 0 ..........................................
S E /S G /S M /S S 5 0 ..........................................................
T E /T G /T M 50; T E /T M 6 0 ....................................
553-DV 92 and 93 ..................
553-DV 9 3 ..................................
553-DV 9 4 ..................................
28.14 to 1
28.14 to 1
28.14 to 1
POWER STEERING FLUID
GM APPROVED POWER STEERING FLUID IS AVAILABLE THROUGH
WHOLESALE WAREHOUSES AND TRUCK CENTERS. CHECK FLUID LEVEL
EVERY 6,000 MILES OR FOUR MONTHS, WHICHEVER OCCURS FIRST. IF
GM POWER STEERING FLUID IS NOT AVAILABLE, DEXRON®
AUTO
MATIC TRANSMISSION FLUID MAY BE USED.
CAUTION: DO NOT USE GM POWER STEERING FLUID IN AUTOMATIC
TRANSMISSION.
over se v e r a l tim e s , then r e s e t b elt to "New" s p e c i
fication s sp e c ifie d below:
Adjusting O rdinary V -B elt
Using Strand Gauge (Burroughs B T -3 3 -7 3 -F )
NOTE: Gauge should be p laced at the center
of the g re a te st span of the b elt.
a. L oosen pump mounting b o lts.
b. If "Used" belt, p osition pump to obtain 80
to 90 pounds.
c. If "New” belt, p osition pump to obtain 120
to 130 pounds.
d. Tighten pump attaching b o lts firm ly .
NOTE: A V -b elt is con sid ered "Used" after
two hour’s operation or approxim ately 50 to 100
m ile s operation.
