alternator replacement instructions mk1 and mk2 w/sabre

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ALTERNATOR AND VOLTAGE REGULATOR TEST

TM-5-1940-277-20 Boat Bridge Erection Twin Jet Aluminum Hull MODEL USCSBMK1 (1940-01-105-5728) MODEL USCSBMK2 (1940-01-218-9165) Manual

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TM 5-1940-277-20

TM 1940-20/2

3-92 alternator replacement instructions mk1 and mk2 w/sabre

TOOLS: Flat Tip Screwdriver, 4 inch

Two 11/32 inch Box Wrenches

7/16 inch Box Wrench

5/8 inch Box Wrench

11/16 inch Box Wrench

11/16 inch Open End Wrench

1/4 inch Straight Punch

Hammer

Vise

PARTS/MATERIALS: Alternator

REMOVE:

WARNING

Set master switch to "OFF">

Open and secure engine hatches (refer to paragraph 3-154).

NOTE

Remove buoyancy flotation material on port side of boat to

replace port alternator only (refer to paragraph 3-152).

Release tension on V-belt (3) by releasing adjuster lock (4) and rotating adjuster handle (5)

clockwise.

Turn adjuster handle (5) until enough tension is released to remove V-belt (3) from alternator

pulley (6).

Rotate adjuster handle (5) until enough tension is released to remove V-belt (3) from alternator

pulley (6).

NOTE

Tilt alternator out to clear intercooler duct.

Move cover carefully. Broken wires in shielding will require

replacement of harness.

Change 2