Table 5-1. Direct Support Troubleshooting

TM 10-4930-233-14

TM 4930-14/1

Table 5-1. Direct Support Troubleshooting

ITEM

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

TRANSFER PUMP

LEAKING FROM BUSHING ASSEMBLY ADJUSTMENT HOLE

Check teflon packing for improper adjustment or wear.

Adjust or replace teflon packing set as required (paragraph 5-5).

PUMP DOES NOT OPERATE

Step 1. Check for clogged air inlet.

Clean or replace air coupler, adapters and shut off valve (paragraph 5-5).

Step 2. Check teflon packing set for improper adjustment.

Adjust teflon packing set as required (paragraph 5-5).

PUMP OPERATES BUT DELIVERS LITTLE OR NO LUBRICANT

Check for worn packings in power head and/or pump tube assembly.

Replace worn packings or seals (paragraph 5-5).

GEAR LUBE DISPENSERS

LUBRICANT LEAKS FROM AROUND INLET

Check washers and block "V" packing at inlet for wear.

Replace washers and block " " packing (paragraph 5-7).

LUBRICANT FLOWS OUT OF NOZZLE CONTINUOUSLY

Check valve assembly and seat at lever assembly for wear.

Replace valve assembly and seat (paragraph 5-7).

LEAKAGE OCCURS FROM LEVER ASSEMBLY

Check preformed packings at lever assembly for wear.

Replace preformed packings (paragraph 5-7)

5-2