TM-9-2320-272-23-5

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

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 5 OF 5

SEPTEMBER 2012

TM-9-2320-272-23-5 - Page 165 of 623

INSTALLATION

NOTE

Apply sealant to all male pipe threads before installation.

1.

Install clamp (Figure 5, Item 21) and bracket (Figure 5, Item 5) on check valve (Figure 5, Item 6) with washer

(Figure 5, Item 4), screw (Figure 5, Item 3), washer (Figure 5, Item 4), and locknut (Figure 5, Item 20).

2.

Install two bushings (Figure 5, Item 2) and elbows (Figure 5, Items 1 and 11) on check valve

(Figure

5,

Item

6).

3.

Install bracket (Figure 5, Item 5) on engine (Figure 5, Item 12) with screw (Figure 5, Item 10).

4.

Connect tube (Figure 5, Item 7) to elbow (Figure 5, Item 1) and tee (Figure 5, Item 8).

5.

Connect fuel supply line (Figure 5, Item 16) to elbow (Figure 5, Item 17) and fuel pump (Figure 5, Item 9).

6.

Connect fuel return line (Figure 5, Item 19) to elbows (Figure 5, Items 11 and 18).

7.

Install two clamps (Figure 5, Item 14), screws (Figure 5, Item 13), clamps (Figure 5, Item 13), and nuts

(Figure

5, Item 15) on fuel return line (Figure 5, Item 19) and fuel supply line (Figure 5, Item 16).

TM 9-2320-272-23-5

0784

0784-8