REMOVE AND INSPECT POWER TRANSFER UNIT PUMP SHAFT SEAL
General inspection criteria (Task
7-1.1) for obvious damage applies
unless otherwise stated.
Inspection steps cover parts that are
subject to wear.
Install pump (1) in vise (2) with flange (3) up.
Remove lockscrew (4).
Remove nut (5). Use wrench (APP E-30).
Install rod (6) in pump (1).
Pump must be positioned with shaft
up to keep internal parts from falling
out. Keep hand pressure against
rod at all times while removing
parts. Otherwise, parts can become
disassembled, causing damage or
loss of parts.
Remove retainer (7). Use puller.
Inspect retainer seating surface (7.1) in bore of
pump (1). There shall be no nicks or scratches.
Remove seal (8) and packings (9 and 10) from