TM-9-2320-272-23-3

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 3 OF 5

SEPTEMBER 2012

TM-9-2320-272-23-3 - Page 691 of 1469

ASSEMBLY

CAUTION

Keep all anchor parts together. Intermixing right and left plunger parts will cause brake

system

damage.

NOTE

Apply a light film of grease, included with new parts kit, to all metal parts, lips of seals, and

plunger housing bores.

1.

Place a piece of tape over slots of two anchor plungers (Figure 3, Item 2) to protect lips of seals

(Figure

3,

Item

1).

2.

Install two seals (Figure 3, Item 1) in double grooves of anchor plungers (Figure 3, Item 2).

NOTE

Ensure correct anchor plunger, L or R, is installed in bore of anchor housing.

3.

Align guide grooves (Figure 3, Item 19) of anchor plungers (Figure 3, Item 2) with guide screw holes

(Figure

3,

Item

17) of anchor plunger housing (Figure 3, Item 16).

4.

Install anchor plungers (Figure 3, Item 2) in anchor plunger housing (Figure 3, Item 16). Using hammer and

1-3/4 in. (44.45-mm) wrench socket, seat seals (Figure 3, Item 1) in anchor plunger housing.

5.

Remove tape from anchor plungers (Figure 3, Item 2).

6.

Install two gaskets (Figure 3, Item 15) and guide screws (Figure 3, Item 14) in anchor plunger housing

(Figure

3,

Item

16) and anchor plunger (Figure 3, Item 2). Tighten guide screws 15

to

20

lb-ft

(20

to

27

N·m).

TM 9-2320-272-23-3

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