TM-9-2320-285-24-2

TRUCK TRACTOR, YARD TYPE, 43,500 LB GVW, DED, 4X2, ARMY MODEL M878A1

TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

OCTOBER 1985

TM-9-2320-285-24-2 - Page 528 of 698

TM 9-2320-285-24-2

4-4.

TRANSMISSION (CONT)

c. Forward Clutch and Shaft Assembly (cont).

STEP

LOCATION

ITEM

ACTION

REMARKS

REASSEMBLY (cont)

10

Forward

Clearance between

Measure

Hold hub (10) up against

clutch

hub (10) and top

internal snap ring (9), as

clearance

forward clutch

shown.

Insert forward

check

disc (15)

clutch gage.

When correct

clearance is achieved, first

step of forward clutch gage

will fit, second step will

not.

If clearance is exces-

sive, replace parts in fol-

lowing order to achieve

correct clearance: 1) Any or

all of forward clutch plates

(16); 2) Hub (10).

If clear-

ance is still excessive,

install thicker forward

clutch piston (21).

If

clearance is insufficient,

install thinner forward

clutch piston (21).

After

installing any part, recheck

clearance

NOTE

Parts removed in steps 11a through 11c below should be saved for reinstallation.

11

Turbine

a.

Internal snap

Remove

shaft and

ring (9)

clutch

b.

Hub (10)

Remove

housing

c.

10 forward

Remove

(17)

clutch discs

and plates

(15 and 16)

4-47