TM 9-2350-222-20- 1-3
POWERPLANT REPLACEMENT (2D ENGINE) (Sheet 2 of 23)
PRELIMINARY PROCEDURES: Park vehicle on level ground, block both tracks
at front and rear
Release parking brake (TM 9-2350-222-10)
Place MASTER BATTERY switch to OFF (TM 9-2350-222-10)
Disconnect battery ground straps (page 10-283)
Remove lower engine access cover (page 16-41)
Remove top deck (page 16-21)
Remove right angle drive, pump and clutch (page 18-100)
Procedures for the removal and installation of the powerplant
equipped with a AVDS 1790-2D or AVDS 1790-2DA are similar.
Differences are noted in the procedure.
Fuel is very flammable and can explode
easily. To avoid serious injury or death,
keep fuel away from open fire and keep
fire extinguisher within easy reach when
working with fuel. Do not work on fuel
system when engine is hot. Fuel can be
ignited by hot engine.
w i t h fuel, post signs that read `NO
S M O K I N G WITHIN 50 FEET OF VEHI-
Using 7/16 inch wrench, remove six screws (A)
holding generator air duct (B) to bulkhead wall
with light rope or heavy masking tape.
Go on to Sheet 3