TM 3-4230-209-20&P
2-90
2-20. PUMP UNIT SUBASSEMBLY (CONT).
REMARKS
ACTION
LOCATION/lTEM
Pump Unit Subassembly/
Make sure that the drive belt from the gasoline engine
Insert machine bolt (1), through the frame assembly (2). Screw hexagon
Machine bolt (1)
to the alternator is property installed.
self-locking nut (3) part way upon machine bolt (1) and screw machine
Frame assembly (2)
bolt (1) into the threaded hole in the angle bracket mounted on the alter-
Hexagon self-locking nut (3)
nator.
Using tensiometer, depress drive belt 3/8 inch in
the center. Tensiometer should indicate 5 to 7 lb
when belt is depressed to the 3/8 inch position.
After proper tension is obtained, screw hexagon
self-locking nut (3) up machine bolt (1) until it is
against the pump unit frame assembly (2). Hold
the head of machine bolt (2) and turn hexagon
self-locking nut (3) until it is tight.
Insert connector panel (4) and six thread-cutting tapping screws (5) into
Connector panel (4)
Thread-cutting tapping
the mounting holes and tighten. Attach suction identification plate (6) and
screws (5)
discharge identification plates (7 and 8) to the connector panel with six
Suction identification
drive screws (9).
plate (6)
Discharge identification
plate (7)
Discharge identification
plate (8)
Drive screws (9)