Flexible Coupling - TM-5-4320-234-340042

TM 5-4320-234-34

(2) If you are installing the same pump you

(2) Disconnect all suction and discharge

removed, use shims (8, 9, and 10, fig. 2-21) having the

piping from the pump.

same thickness as the ones removed. If a different

pump is being installed, provide shims having proper

(3) Disconnect the suction and pressure

thickness for aligning the bearing housing with the

gage piping from the pump (TM 5-4320-234-12, para 4-

flywheel housing of the engine. Slide the pump into

47).

engagement with the engine so that the coupling halves

are properly alined.

(4) Place a rope sling around the pump

and support the weight of the pump with a hoist or

(3) Secure the bearing housing of the

crane.

pump to the flywheel housing of the engine with nuts (2)

and lock washers (3). Secure the pump feet to the

(5) Remove the nuts (2) and lockwashers

chassis frame with cap screws (6), nuts (4) and lock

(3) that secure the bearing housing of the pump (7) to

washers (5), making sure the shims are in place.

the flywheel housing of the engine.

(4) Connect the suction and pressure gage

(6) Remove the cap screws (6), nuts (4),

piping (TM 5-4320-234-12, para 4-47).

and lock washers (5) that secure the pump to the

chassis. Operate the hoist or crane so that the pump

(5)

Install the drain plug (1, fig. 2-21).

feet barely clear the chassis frame. Pull the pump

straight out to disengage the pump half of the flexible

coupling from the engine half of the coupling. Be

2-10. Flexible Coupling

careful not to lose the cushions that are installed

between the coupling halves. Remove the pump and

Removal and Disassembly.

shims (8, 9, and 10).

(1) Remove the assembled pump and

(7)

Remove the flexible coupling (para 2-

bearing housing from the engine and chassis frame as

10).

directed in paragraph 2-9. The one half of the coupling

assembly will remain with the engine; the other half will

Installation.

remain with the pump.

(1)

Install the flexible coupling (para 2-10).

(2) Remove the sleeves (1, fig. 2-22) to

release the cushions (2) from the coupling halves (7 and

13).

2-31