COMPRESSOR PULLEY (F10000RG-2)

TM5-4110-234-14

TO 40R7-5-7-1

4-53. COMPRESSOR PULLEY (F10000RG-2)

See figure 4-23.

a. Removal.

(1)

Disconnect power and open side access door.

(2)

Loosen the idler arm screw and relax the belt tension.

(3)

Remove the fan drive belt from the compressor pulley.

(4)

Loosen the four gasoline engine bolts. There is an access slot on the lower left front of the cabinet for the

front bolts.

(5)

Use a 3/4 inch socket and socket wrench with an extension and turn the engine mount adjusting screws

located under the compressor mount to move the engine and release belt tension. Be sure you turn both screws the same

number of full turns.

(6)

Remove the belts from the compressor pulley.

(7)

Remove the cap screw, lock washer and flat washer from the center of the compressor shaft.

(8)

Remove the pulley. Take care that the shaft key is not lost.

b. Installation.

(1)

Aline the key and keyway and slide the pulley into place on the compressor shaft. Secure with a cap screw,

lock washer and flat washer.

(2)

Place the two belts from the engine on the two inside grooves.

(3)

Use a 3/4 inch socket and socket wrench with an extension and turn the engine mount adjusting screws

located under the compressor mount to move the engine. Proper belt tension is a deflection of 1/2 inch(1.3 cm) midway

between the pulleys.

Both adjusting screws must be moved the same amount. Do not permit the engine to twist or cock on its

mount. Uneven belt wear and bearing damage will result.

(4)

Tighten the four engine mounting bolts.

(5)

Place the fan drive belt back on the compressor pulley.

(6)

Push the idler pulley to bring proper tension in the fan belt. Proper tension is a deflection of 1/2 inch (1.3 cm)

midway between pulleys. Tighten the idler pulley setscrew.

(7)

Close the access doors.

(8)

Connect power.

4-54. REFRIGERATION PIPING AND COMPONENTS I

Organizational maintenance service on the refrigeration piping and components is restricted to the setting of valves as

described in paragraph 4-9 and the cleaning of the coils. Refer all other maintenance to direct support.

4-66