i. Position suitable lifting device, attach sling to
2-8. Gantry Removal or Installation
truss, then remove gantry from revolving frame.
a. Remove gantry sheave and yoke (TM 53810-
201-12).
j. Install gantry by reversing procedure in steps i
through a above.
b. Remove low gantry sheave and shaft from rear
cab canopy (TM 5-3810-201-12).
2-9. Engine Removal or Installation
c. Remove gantry adapters (para 4-2).
a. Remove gantry sheave yoke from top of cab (TM
d. Remove engine exhaust pipes from rear cab
5-3810-201-12).
canopy (TM 5-3810-201-12).
b. Remove low gantry shaft and sheave from rear
e. Remove rear cab canopy (TM 5-3810-20112).
canopy (TM 5-3810-201-12).
c. Remove adapters (para 4-2).
f. Remove two cotterpins (13, fig. 2-3), nuts (14),
and four flatwashers (12) from rear tension members
d. Disconnect all cables, heaters, junction boxes,
from underneath the revolving frame at rear end.
outlets, or other elements of electrical, heating, or
g. Remove two cotterpins (24) from two pins (25),
exhaust system that is attached to rear canopy or panels
of cab (TM 5-3810-201-12).
then remove two pins (25) from left hand front leg (23)
and right hand front leg (27).
h. Remove two cotterpins (24) from two pins (26)
then remove two pins (26) from truss (4).
1
Spacer (2 rqr)
16
Sheave guard
2
Spacer (2 rqr)
17
Bushing
3
Shaft
18
Sheave
4
Truss
19
Fitting
6
Brace, horizontal (2 rqr)
20
Washer (3 rqr)
6
Brace, diagonal
21
Lockwasher(12 rqr)
7
Bolt (12 rqr)
22
Nut(12rqr)
8
Cotterpin(2 rqr)
23
Front leg, LH
9
Pin (2 rqr)
24
Cotterpin (8 rqr)
10
Tension member (2 rqr)
25
Pin (2 rqr)
11
Log (2 rqr)
26
Pin (2 rqr)
12
Flatwasher (4 rqr)
27
Front Leg, RH
13
Cotterpin (2 rqr)
28
Keeper Plate
14
Castellated nut (2 rqr)
29
Screw (2rqr)
15
Setscrew
Figure 2-3. Gantry, exploded view.
AGO 20051A
2-9
