POWER SUPPLY REMOVAL

TM 11-6625-3024-14/EE641-AC-MMA-010/E154 SYSEX/TO 33AA50-5-1-1

7. Set the Exerciser on its bottom feet. The

5-15. POWER SUPPLY REMOVAL

Exerciser can now be prepared for operation.

The power supply is attached on the rear of the

Exerciser. Refer to Figure 5-3, Power Supply Re-

5-17. BLOWER REMOVAL

moval, for the following procedures.

1. Remove Power Supply Assembly. (See par-

1. Lift the Exerciser by the carrying handle and

agraph 5-15, Power Supply Removal.)

stand upright on the back side.

2. Remove four attaching hex screws, lock

washer, and flat washer (5). (See Figure 5-3,

2. Open the top and bottom access doors.

Power Supply Removal, for location of attaching

hardware.)

3. Remove power supply connector (1) and

blower connector (2). The blower connector is a

5-18. BLOWER REPLACEMENT

two-prong connector that pulls straight out.

1. Attach blower to the left side panel of the

4. Remove four screws (3) on the bottom and

Exerciser frame assembly using four attaching

four screws (4) on the top.

socket head cap screws, lock washer, and flat

washer (5). (See Figure 5-3 for proper locations.)

5. Lift the Exerciser frame assembly straight up

off the Power Supply Assembly. The Exerciser

2. Replace Power Supply Assembly following

side panels will slide out of the power supply

the procedure in paragraph 5-16, Power Supply

frame.

Replacement.

5-16. POWER SUPPLY REPLACEMENT

5-19. POWER/STOP SWITCH REMOVAL

The power supply slides into the channeled side

(Transport Power, System Power, STOP

panels, from the rear, of the Exerciser frame as-

Switches)

sembly.

The center power switches and STOP switch

are mounted between the two center card guide

1. Place the power supply assembly on a table

frames. The left card guide frame (viewed from

or bench, with the power receptacle on the right

the front) must be removed to gain access to the

side.

switches.

2. Set the Exerciser frame assembly down onto

1. Remove all circuit cards. (See paragraph

the power supply, allowing the side panels to slide

5-9, Circuit Card Removal.

into the channeled sides of the power supply as-

sembly. Ensure that the Exerciser's power plug

2. Remove Power Supply Assembly

is also positioned on the right side of the power

agraph 5-15, Power Supply Removal.)

supply assembly.

3. Remove the top panel (8) of the electronic

3. Install four screws (3) on the bottom and four

housing assembly by removing 11 attaching

screws (4) on the top of the Exerciser frame as-

screws. The panel will then slide back, out of the

sembly to secure the power supply in place. (See

side channels. (See Figure FO-14 for attaching

Figure 5-3, Power Supply Removal.)

hardware.)

4. Connect power connector (1) on the right

4. Remove the dust cover assembly (11) by

side.

removing 4 screws along the front edge of hinge

bracket.

5. Connect blower motor connector (2) on the

left side. The blower connector is a two-prong con-

5. Remove the bottom card frame panel (9) by

nector that pushes straight in from the top of the

removing attaching screws at the rear of the panel.

Power Supply Assembly.

The panel will then slide back out of the side chan-

nels.

6. Close the top and bottom access doors.

5-15