TM 1-1520-238-23
4-118
4.37.
ENGINE BUILDUP – NO. 1 AND NO. 2 ENGINE BASEPLATE AND SPINDLE GEARBOXES
INSTALLATION – continued
4.37.3. Installation
a. Install load demand spindle gearbox (1), pow-
er available spindle gearbox (2), and base-
plate (3) on hydromechanical unit (HMU) (4).
(1) Rotate wide tooth spaces (5) to aline with
HMU (4) wide tooth spaces (6). Use common
screwdriver in slots (7) on gearboxes (1) and
(2).
(2) Aline pins (8) on baseplate (3) with holes (9)
in HMU (4).
(3) Position baseplate (3) and gearboxes (1) and
(2) on HMU (4).
(4) Install lower short bolt (10) through counter-
sunk washer (11) and baseplate (3) into
mounting hole (12).
(5) Install long bolt (13) through countersunk
washer (11), flat washer (14), and baseplate
(3) into mounting hole (15).
(6) Install long bolt (13) through countersunk
washer (11), flat washer (14), gearbox (1),
and baseplate (3) into mounting hole (16).
b. Torque bolt (10) and two bolts (13) to 60 INCH-
POUNDS. Use torque wrench.
c. Inspect (QA).
GO TO NEXT PARAGRAPH
6
M04-1354-2
3
2
7
1
5
4
VIEW ROTATED
M04-1354-3
13
11
14
3
4
2
11
13
14
11
10
16
1
9
12
9
8
15
M04-1354-4
13
13
10
