TM 9-2330-275-14&P
4-56. LIFTING-LEVELING JACK REPLACEMENT (M689).
a.
Removal
b. Installation
Initial Setup:
Materials/Parts:
Tools/Test Equipment:
Two cotter pins
General mechanics tool kit
Four Iockwashers
1.
Remove two cotter pins (7) and washers (5) from pin (6) at lower end of lifting-leveling jack (1). Discard rotter
pins.
2.
Remove pin (6).
3.
Remove four screws
(4), lockwashers (3), and two retainers (2). Discard Iockwashers.
4. R e m o v e Iifting-leveling jack (1) from dolly.
1.
Install lifting-leveling Jack (1) and two retainers (2) to dolly with four new Iockwashers (3) and screws
(4).
NOTE
Adjust length of lifting-leveling jack, if necesary, for ease in installing pin.
2.
Install pin (6) to secure lower end of lifting-leveling jack (1).
3.
Install two washers (5) and new cotter pins (7) in pin (6) at lower end of Iifting-levellng jack (1).
4-148