TM-5-2330-378-14-P

SEMITRAILER, LOWBED: 40 TON CONSTRUCTION EQUIPMENT TRANSPORTER M870 AND M870A1

TECHNICAL MANUAL; OPERATOR'S, UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)

JUNE 1999

TM-5-2330-378-14-P - Page 298 of 524

TIVI5-2330-378-14&P

5-12. BACKING PLATE AND CAMSHAFT REPAIR AND REPLACEMENT (M870)

(continued).

b.

INSPECTION

Check two seals (19 and 20) and bushing (21)for damage or wear.

NOTE

It seals are damaged or worn, replace them by doing steps 1 through 5 in sub-

paragraph5-12c.

If seals and bushing are not damaged, go to subparagraph

5-12d.

C.

REPAIR

1.

Pry two seals (19 and 20) out of bushing (21).

2.

Push bushing (21) out of backing plate (6).

3.

Install new sea[ (19) in new bushing (21).

4.

Install bushing (21) in backing plate (6).

5.

Install new sea] (20) in bushing (21).

21

19

20

6

d.

INSTALLATION

1.

Slide backing plate (6) on axle (118),and line up holes in backing plate (6) with holes in axle (118).

2.

Install eight nuts (17), new lockwashers (16), and bolts (15) in backing plate (6).

3.

Install bearing (14), keywasher

(12), and camshaft retainer (13) on camshaft bearing bracket (11).

4.

Install four nuts (10), new lockwashers (9), and screws (8) on key washer (12) and camshaft retainer (13), but

do not tighten.

This will allow the bearing to turn when the camshaft is installed.

5-36