TM 9-2350-256-20
CHAPTER 8: MAINTENANCE OF SUSPENSION SYSTEM
8-9 REPLACE/SERVICE COMPENSATING IDLER AND ARM ASSEMBLY-Continued
b. CLEANING
WARNING
Dry-cleaning solvent used to dean parts is potentially dangerous to personnel and property. Do not
use near open flame or excessive heat. Flashpoint of solvent is 138F (59C).
NOTE
Use only dean dry-cleaning solvent for bearings.
Clean all parts thoroughly using dry-cleaning solvent.
c. INSPECTION
Inspect all parts for wear, pitting, or other damage. Replace defective parts.
d. INSTALLATION
1 Lubricate new compensating idler arm support seal
(13) with OE oil. Install new compensating idler
arm support seal with spring-loaded lip facing
outside of vehicle. Use replacer and handle.
2 Install new preformed gasket (12).
3 Install new seal assembly (11) in retainer (10) with
spring-loaded lip facing inside of vehicle.
4 Apply light coat of grease to mating surfaces and
install outer bearing (9).
5 Install spacer (8).
6 Install inner sleeve bearing (7), flat washer (6), and thrust bearing washer (5). Apply light coat of grease to
mating surfaces.
7 Install new key washer (3) and round bearing nut (4). Tighten round bearing nut until bearings (7 and 9)
cannot be turned. Then back off round bearing nut just enough so that inner and outer bearings will turn by
hand 1 complete turn.
8 Fold back edges of key washer (3) to lock round bearing nut (4).
WARNING
Compensating idler arm is heavy, and may cause severe injury if dropped.
9 Install compensating idler arm (2) and six screws (1).
8-30