TEST HOOK-UP-continued

TM 9-2350-222-20-1-3

2D ENGINE POWERPLANT TESTS (GROUND HOP) (Sheet 4 of 15)

Position ground hop hose assembly with clamp

and filter to right turbosupercharger elbow.

Using 7/16-inch socket and ratchet, tighten

clamp nut to secure hose asssembly to

turbosupercharger elbow.

Repeat steps 7 and 8 on left side.

WARNING

Assign one crewmember with a fire

extinguisher as a fire guard during all

powerplant tests.

NOTE

During these tests, the electrical instruments,

switches and warning lights in the vehicle

will be operative.

All mechanical and

hydraulic controls and vehicle tachometer

will be inoperative.

It will be necessary

to manually position or actuate the throttle

or shifting control and fuel shut off.

Install fabricated tachometer assembly.

10.

11.

Connect battery ground straps

(page 10-268).

Go on to Sheet 5

5-51

Change 4