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GM COACH MAINTENANCE MANUAL
Sec. 13
Page 161
BRAKE APPLICATION VALVE
At time of reassembly apply petrolatum at
points indicated in BRAKES (SEC. 4 of this man-
ual).
Follow instructions carefully when applying
lubricant.
NOTE NO.
7
GRAPHITE GREASE
(Symbol S5)
A high temperature grease containing graphite
or other inert materials.
CLUTCH SHAFT SPLINES
At time of assembly apply lubricant to clutch
shaft splines and hub. Do not use an excessive
amount of lubricant as it may reach the clutch
facings.
NOTE NO. 8
SHOCK ABSORBER FLUID
(See Symbol S6 on Chart)
A special shock absorber fluid (Delco) should
be used whenever additional fluid is necessary.
SHOCK ABSORBERS
At
specified intervals, level of fluid in shock
absorbers should be checked.
Disconnect link at
shock absorber arm as directed in SPRINGS (SEC.
15 of this manual). Remove plug from shock ab-
sorber body. Move shock absorber arm up and
down slowly as fluid is added. Continue arm move-
ment and adding operations until fluid level re-
mains at plug opening level. Replace plug and re-
connect link.
NOTE NO. 9
DENATURED ALCOHOL
(See Symbol SlO on Chart)
Use alcohol antifreeze solutions as directed in
COOLING SYSTEM (SEC. 6 of this manual.)
SHUTTER THERMOSTAT
Disconnect line "at thermostat and inject 1 ounce
denatured alcohol at intervals indicated. Refer to
"RADIATOR, SHUTTER, AND THERMOSTAT" in
COOLING SYSTEM (SEC. 6).
LUBRICATION
NOTE NO. 10
CASTOR OIL
(See Symbol Sll on Chart)
Use of a good grade commercial castor oil is
recommended at indicated intervals.
SHUTTER AIR CYLINDER
Remove screw plug and inject 1/2 ounce of
recommended fluid at specified intervals. Replace
plug.
NOTE NO. 11
HYDRAULIC BRAKE FLUID
(See Symbol Sl2 on Chart)
Fluid recommended for this application should
be Delco Super #11 or Wagner Lockheed #21-11.
SWAY BAR BUSHINGS AND LINKS
At intervals recommended on lubrication chart,
sway-bar rubber bushings and shock absorber links
should be sprayed or brushed with recommended
fluid which serves as a rubber preservant.
NOTE NO. 12
AIR FILTER FLUID
(See Symbol S13 on Chart)
Recommended fluid for this application is a
special air filter fluid which is compounded es-
pecially for use
in
this filter.
SHUTTER AIR FILTER
Remove plug at top of filter reservoir. Inject
1 ounce of recommended fluid at specified inter-
vals.
Larger quantities of more frequent fillings
are not recommended as system may be overload-
ed. Replace plug.
Weekly during summer months, or daily dur-
ing winter, open the pet cock at bottom of filter
to drain accumulated moisture. Drain under pres-
sure.
NOTE NO. 13
FLAKE GRAPHITE
(Symbol S18)
Use a commercially available, finely divided
powdered graphite.
CONTROL ROD LOOM
Whenever control rods and loom are removed
or replaced, inside of loom must be lubricated.
Pour or blow a quantity of lubricant inside loom
then plug ends of loom.
Tip loom up and dow1~
until inside is thoroughly covered.
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