TM-5-3805-254-14-P-2

TRUCK, DUMP, 20 TON, 6X4, ON-OFF HIGHWAY 71,000 GVW, IHC MODEL F-5070 (CCE)

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, GENERAL SUPPORT AND DEPT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS INFORMATION AND SUPPLEMENTAL MAINTENANCE INSTRUCTIONS)

JUNE 1980
TM-5-3805-254-14-P-2

  TM-5-3805-254-14-P-2 - Page 224 of 894

BRAKES - AIR
TRUCK SERVICE MANUAL
Recommended Grease
A high temperature water-proof grease IH 251 HE.P.
grease or equivalent to NLGI # 2 multi-purpose lithium
grease is recommended for lubricating the brake
actuating system.
The
following
greases
meet
all
of
these
recommendations:
Texaco Thermotex EP #1
Shell Darina #1
Marathon 528 H.D.
Sunaplex #1 EP
Amdex # 1 EP
Philube B #1
NOTE: Vehicles
operating in extremely cold weather
(below -400F) may require a grease conforming to MIL-
G-25013C.
TROUBLE SHOOTING GUIDE
If brakes are poor or do not apply
- check system
pressure at source and at brakes possible restriction or
leak in brake lines, valves, etc.
brakes out of adjustment
leaking diaphragm or wheel cylinder cup.
Uneven braking or lining wear
- ruptured diaphragm
wedge rod out of push rod socket
rollers and cage out of
plunger socket corroded or frozen plungers
brakes out
of adjustment grease on lining glazed lining shoes
installed backward combination linings.
Automatic Adjusters not working
- adjusting pawl
installed backward pawl spring collapsed or missing
bolt
frozen in adjusting sleeve detent damaged and allowing
bolt to rotate with sleeve adjusting plunger in wrong
position in the spider (should be at leading end of shoe)
double lip seals not installed correctly.
GENERAL MAINTENANCE
This section of maintenance instructions is outlined
specifically for the major design improvements of the
Stopmaster II,
BRAKE ADJUSTMENT
The following procedures can be used for the initial
manual adjustment of Stopmaster II wedge brakes.
NOTE: Since the Stopmaster II is an automatic adjusting
brake, periodic manual adjustment is not
necessary.
A
Jack or hoist wheels free of ground.
B.
Remove dust cover from adjusting slot
two
places on each brake.
NOTE:
(double actuated) type brakes the adjusting
slots are below the forward and above the rear power
unit.


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