TM-5-3805-254-14-P-2

TRUCK, DUMP, 20 TON, 6X4, ON-OFF HIGHWAY 71,000 GVW, IHC MODEL F-5070 (CCE)

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, GENERAL SUPPORT AND DEPT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS INFORMATION AND SUPPLEMENTAL MAINTENANCE INSTRUCTIONS)

JUNE 1980

TM-5-3805-254-14-P-2 - Page 549 of 894

TRUCK SERVICE MANUAL

FUEL SYSTEM

Fig.

5-2-7, F5249.

Aneroid exploded view

4.

Dip new bellows in lube oil (SAE 20 or 30) and

reassemble In reverse sequence making sure capscrew holes

In bellows align properly with corresponding holes in aneroid

body.

The piston shaft nut or capscrew torque is 20 to 25 Inch

lbs [2.3 to 3.5 Nm] and the cover capscrew torque is 30 to 35

inch lbs 13.4 to 4.5 N.

m .

CAUTION

If bellows is wrinkled during assembly or if cover

capscrews are over torqued, bellows will prematurely fail.

B.

"O" Ring 114791 Replacement

This can be accomplished without changing aneroid settings if

the

bottom

screw

position

is

not

altered

and

same

bellows spring and shims or 2 piece shaft length is the

same’ when reused.

1.

Drain oil and remove side cover, Part No.

114773

(this is pressed into aneroid body).

2.

Use a pencil or rod of suitable length inserted through

aneroid air inlet opening to depress piston slightly and pull

shaft, Part No.

140358.

3.

Replace "0" ring, lubricate with lube oil and

reassemble in reverse sequence.

4.

Clean cap bore In housing Use a new side cover,

Part No. 114773.

544