TM-9-2350-311-34-1

HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS: HOWITZER, MEDIUM, SELF-PROPELLED, 155MM

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

SEPTEMBER 1994

TM-9-2350-311-34-1 - Page 255 of 352

TM 9-2350-311-34-1

14 Unsolder electrical lead (45) from field coils (46) to connector (TB SIG 222).

15 Remove screw (47), Iockwasher (48), and field coils (46) from commutator end bell (49). Discard Iockwasher.

16 Remove two screws (50), two Iockwashers (51), and jumper wire (52). Discard Iockwashers.

b. Inspection, Repair, and Test

Compressed air used for cleaning purposes must not exceed 30 psi (207 kPa). Use

only with effective chip guarding and personal protective equipment (goggles/shield,

gloves, etc).

1 Clean inlet screen (8) mesh with compressed air. Inspect mesh. Replace if torn.

2 Inspect impeller cover (9). Replace if damaged or defective.

3 Inspect impeller (1 2). Smooth burrs and nicks with soft stone or fine-mill file.

4 Inspect impeller housing (13). Replace if damaged or defective.

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