TM 5-2420-224-20-2
FORKLIFT CARRIAGE CHAIN ADJUSTMENT (CONT)
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
NOTE
Perform steps 4 thru 8 if step 2 check was not correct.
Raise mast (4) just enough to allow access to two carriage chain anchors (5).
Rotate two shutoff valves (6 and 7) to OFF position.
Remove and discard cotter pin (8) from carriage chain anchor (5) to be adjusted.
Tighten adjustment nut (9) until carriage chain tension is equal.
Rotate two shutoff valves (6 and 7) to ON
floor level, and perform step 3.
Perform steps 9 thru 13
Raise mast (4) just enough to allow access
Rotate two shutoff valves (6 and 7) to OFF
position, lower carriage (1) to within 6 in. (152.4 mm) of
NOTE
if step 3 check was not correct.
to two carriage chain anchors (k).
position.
Remove and discard two cotter pins (8) from two carriage chain anchors (5).
NOTE
During performance of step 12, amount of allowable extension of lower bearing can be
less than or equal to 1/2 of bearing diameter, but not more than 1/2 of bearing
diameter.
Tighten or loosen two adjustment nuts (9) until lower bearing (3) on each side
mast (4). Install new cotter pin(s) (8).
Rotate two shutoff valves (6 and 7) to ON position, lower carriage (1) to within
floor level, and perform step 3.
extends below outer
6 in. (152.4 mm) of
4-561
