TM 5-2420-224-20-2
CRANE CONTROLS AND LINKAGES REPLACEMENT AND ADJUSTMENT
(CONT)
1.
2.
3.
4.
5.
6.
7.
ON RIGHT SIDE, REMOVE seven cotter pins (1) and seven straight PINS (2) from seven connecting
links (3). DISCARD cotter PINS.
ON LEFT SIDE, REMOVE eight cotter pins (4) and eight straight PINS (5) from eight connecting
(6). DISCARD cotter PINS.
NOTE
Tag control rod assemblies and connecting links prior to removal to aid in installation.
links
REMOVE eight cotter pins (7), eight straight pins (8), and eight control ROD assemblies (9) from valve
bank (10). DISCARD cotter PINS.
REMOVE 15 connecting LINKS (3 and 6) from 8 interconnecting control rods (11).
ON LEFT SIDE, REMOVE lock nut (12), rod (13), washer (14), eight control HANDLES (15), and two
spacers (16). DISCARD lock NUT.
ON RIGHT SIDE, REMOVE lock nut (17), rod (18), washer (19), seven control HANDLES (20), and
three spacers (21). DISCARD lock NUT.
REMOVE lock nut (22), shoulder bolt (23), control HANDLE (24), and spacer (25). DISCARD lock NUT.
1.
2.
3.
4.
5.
6.
7.
INSTALL spacer (25), control HANDLE (24), shoulder bolt (23), and new lock nut (22).
ON RIGHT SIDE, INSTALL rod (18), washer (19), two spacers (21), seven control HANDLES (20),
spacer (21), and new lock nut (17).
ON LEFT SIDE, INSTALL rod (13), washer (14), spacer (16), eight control HANDLES (15), spacer (16),
and new lock nut (12).
INSTALL 15 connecting LINKS (3 and 6) in 8 interconnecting control rods (11).
INSTALL eight control ROD assemblies (9), eight straight pins (8), and eight new cotter pins (7) on
valve bank (10).
NOTE
During steps 6 and 7, it may be necessary to adjust the control rods. This should be
done without moving the valve spool on the valve bank.
ON LEFT SIDE, INSTALL eight connecting LINKS (6) and eight straight pins (5).
ON RIGHT SIDE, INSTALL seven connecting LINKS (3) and seven straight pins (2).
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