TM 9-2320-279-34-3
M978 Tanker Maintenance Procedures Instructions (Cont)
22-5. AUXILIARY PUMP REPAIR (CONT).
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
Hold impeller shaft (12) and remove jamnut (16).
NOTE
Seal spring tension is released as impeller is removed.
Hold impeller shaft (12) to keep from turning and remove impeller (15).
Remove washer (14).
NOTE
If difference in clearance was under 0.005-in. (0.127 mm) remove shims as required.
l If difference in clearance was over 0.008-in. (0.203 mm) add shims as required.
Add or remove shims (13).
Install washer (14).
Hold impeller shaft (12) and install impeller (15).
Apply sealing and thread locking compound to threads of jamnut (16) and install.
Repeat steps (10) through (12).
22-30
