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 TM 10-3930-660-24-1
FORK AUTO LEVELER CIRCUIT BOARD MAINTENANCE - CONTINUED
0079 00
TESTING - CONTINUED
11.
If either LED indicator (5 or 6) remains illuminated when forks are level, fork auto leveler switch needs adjustment.
Refer to WP 0080 00.
12.
Remove level from forks.
NOTE
If neither LED indicator illuminates during the tests above, check for voltage across "VS" and "GND" ter-
minals on circuit board. If 24 VDC is not present, wiring supplying power to board is open.
If voltage is present across "VS" and "GND" terminal, and neither LED indicator illuminates, the auto lev-
eler switch and/or circuit board is defective.
Refer to Removal and Installation for replacement of fork auto leveler circuit board. Refer to WP 0080 00
for replacement of fork auto leveler switch.
REMOVAL
1.
Disconnect battery cables (WP 0107 00).
2.
Loosen four screws (1) and pull cover (2) from box (3).
CAUTION
Support cover (2) so that weight of cover and circuit board is not supported by electrical leads attached to
board.
3.
Unscrew collar (7) on auto leveler cable (8) at box (3) and remove auto leveler cable from connector (9).
4.
Remove four screws (10) and four lockwashers (11) securing connector (9) and electrical cable (12) to box (3). Discard
9
7
3
3
9
8
10,11
13
12
14,15
4
2
409-297
409-4029
1
5.
Locate four electrical leads (13) at terminal strip (14) of circuit board (4). Loosen four screws (15) on terminal strip and
remove leads from terminal strip.
0079 00-3
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