Grease or oil on linings................................ ........................ Clean linings or replace brakeshoes or linings (paras.
Drums-out-of-round................................ ............................. Replace drum (paras. 225 and 227).
Defective brake valve ................................ ........................ Replace faulty unit (para. 235).
Brakes need relining................................ ............................ Replace brakeshoes (paras. 225 and 227).
Brake chamber diaphragm leaks................................ ......... Tighten all fittings. If caused by broken or faulty unit,
replace brake chamber (par. 234).
74. Carrier Transmission Excessively No isy in Operation
Probable cause
Possible remedy
Insufficient or improper lubricant ................................ ........ Fill to level with proper lubricant as specified in
LO 5-3810-227-16.
Rods and lever out of adjustment ................................ ....... Adjust the alinement (paras. 244-246).
Unit out of line................................ ................................ ..... Tighten all mountings securely.
Loose transmission mounting bolts ................................ ..... Tighten or replace bolts (paras. 471 and 473).
Defective gears ................................ ................................ .. Replace gears (paras. 471 and 473).
Defective bearings ................................ ............................. Replace bearings (paras. 471 and 473).
Defective spline shaft ................................ ......................... Replace spline shaft (paras. 471 and 473).
75. Carrier Gear Shifting Difficult
Probable cause
Possible remedy
Broken or bent yokes ................................ .......................... Replace yokes or shifting bar housing (paras. 471 and
Defective gear teeth ................................ ........................... Replace gear (paras. 471 and 473).
Housing and assembly out of alinement.............................. Replace housing assembly (paras. 471 and 473).
76. Carrier Transfer Case Noisy
Probable cause
Possible remedy
Loose transfer case mounting bolts ................................ .... Tighten or replace bolts (pares. 475 and 477).
Defective gears ................................ ................................ .. Replace gears (paras. 475 and 477).
Defective bearings ................................ ............................. Replace bearings (paras. 475 and 477).
Defective spline shaft ................................ ......................... Replace spline shaft (paras. 475 and 477).
77. Carrier Transmission and Transfer Case Overheat
Probable cause
Possible remedy
Insufficient or improper lubricant ................................ ........ Fill to level with proper lubricant (LO 5-3810-227-15).
Rods and levers out of adjustment ................................ ..... Adjust the alinement (paras. 244, 245, and 246).
78. Carrier Rear Axle and Tandem Unit Noisy
Probable cause
Possible remedy
Wheel bearings worn ................................ .......................... Replace wheel bearings (para. 227).
Lack of lubricant or use of improper grade of
Check lubrication for proper grade and amount as
lubricant in differential.
specified in LO 5-3810-227-15.
Differential gears worn or out of adjustment........................ Replace or adjust gears (paras. 567-569).
Broken pinion or differential gears ................................ ...... Replace gears (paras. 567-569).
Worn or defective differential or pinion bearings ................ Replace bearings (paras. 567-569).
Worn splines on pinion shaft or propeller shaft yoke........... Replace shaft or yoke (paras. 56 -569).
Worn or defective equalizing beam ................................ .... Replace equalizing beam (paras. 563-565).
Worn or defective torque rods................................ ............. Replace torque rods (paras. 559-561).
Section IV. RADIO INTERFERENCE SUPPRESSION
79. General Methods Used to Attain Proper
methods used include shielding the ignition and high-
Suppression
frequency wires, grounding the frame with bond straps,
Essentially, suppression is attained by providing a
and using capacitors and resistors. For gen-
low resistance path to ground for the stray currents. The
AGO 6819A 72
