Relief Valve Adjustment. - TM-9-2815-210-34-2-20553

T M 9-2815-210-34-2-2

c. R e p a i r . Repair minor damage to fuel pump by filing burrs and threads of

receptacle connector.

R e l i e f Valve Adjustment.

WARNING

Smoking, sparks or open flames are not allowed

w i t h i n 50 feet of work area during this task.

F i r e or explosion could occur, causing injury

t o personnel and damage to equipment.

NOTE

This is an alternate procedure given for refer-

e n c e p u r p o s e s o n l y . S t a n d a r d procedure is to

a d j u s t relief valve during dynamometer test and

adjustment.

FRAME 1

CAUTION

Flame heater fuel pump electrical system is negative

g r o u n d e d . P i n A is positive and pin B is negative. Do

n o t switch polarity of pump during checking or replace-

m e n t . Changing polarity will permanently damage pump.

Hook up h o s e (1) from supply tank (2) of diesel fuel to pump inlet ( 3 ) .

Hook up r e t u r n hose (4) from fuel pump outlet (5) back to supply tank (2).

R e t u r n hose must have 200 psi pressure gage (6) and adjustable valve (7) put

o n as shown.

Hook up 24-volt battery (8) with rheostat (9) to fuel pump receptacle.

H o o k up voltmeter (10) to fuel pump.

GO TO FRAME 2