Adjustment - TM-5-4930-233-140282

TM 5-4930-233-14

TM 4930-14/1

SKID SUB ASSEMBLY

5-5. TRANSFER PUMP - REPAIR/ADJUST (Cont.)

e. Adjustment

NOTE

This adjustment can also be made to correct leaking that occurs around packing adjustment slot

(1) Run pump for approximately 5 minutes to allow teflon packings to form evenly.

(2) Allow cylinder and plunger to cool.

(3) Apply a maximum of 30 psi air pressure. If pump does not start or if leakage occurs, adjustment is required.

(4) Loosen adapter (21) to a point where its holes line up with a hole on bushing (23).

CAUTION

Do not overtighten bushing as this will cause piston assembly to bind. If pump did not operate

during run-in, skip steps (5) and (6).

(5) Place a rod through holes and hand tighten to drive bushing assembly into pump casting, thereby tightening

packings.

(6) Remove rod and repeat run-in. If pump doesn't operate proceed. If pump operates without leakage, go to

step (9).

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