TM 9-2320-260-34-2
15-50. LIFTGATE REPLACEMENT (M820A2) (Contd)
b. Installation
WARNING
All personnel must stand clear during Iifting operations.
A swinging or shifting load may cause injury to personnel.
Ensure Iifting capacity is greater than weight (500 lb (227 kg))
of liftgate. Failure to do so may result in injury to personnel or
damage to equipment.
NOTE
Three assistants will help with steps 1 and 2.
1.
Center liftgate (1) on hydraulic jack.
2.
While steadying liftgate (1) by platform, raise liftgate (1) in place.
Install main frame (21) on vehicle frame (2) with twelve screws (7) and nuts (3).
3.
4.
Remove hydraulic jack from liftgate (1).
5.
Wrap male threads of two connectors (18), elbows (20), elbows (6), restrictor (22), nipple (8),
adapter (10), and hydraulic hoses (11), (12), (13), and (14) with antiseize tape.
6.
Install two connectors (18) and check valve (19) on closing cylinder (17).
Install hydraulic hoses (15) and (16) on elbows (20).
7.
8.
Install restrictor (22), nipple (8), elbow (9), and adapter (10) on closing cylinder (4).
9.
Install hydraulic hoses (11) and (14) on restrictor (22) and adapter (10).
10.
Install two elbows (6) on closing cylinder (5).
11.
Install hydraulic hoses (12) and (13) on two elbows (6).
.
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