Model 8210/8250 Maintenance Manual Section 7. Component Procedures
Mast Pallet Forks and Load Wheels
Publication: 1146945/001, Revised: 25 Sep 2018 7-117
Figure 7-131. Downstop Adjustment
6. Measure the clearance of the fork heels
from the floor. Verify there is a clearance of
0.7 in. (17.3 mm). Repeat steps 5 and 6
until the correct measurements are
achieved.
Figure 7-132. Correct Adjustment / Clearance
NOTE: The top of the forks should be 3.25 in.
(82.5 mm) (with standard forks) or 3 in.
(76.2 mm) (with optional low profile
forks) from the floor when the
downstops are correctly adjusted.
7. Reconnect the battery connector. Place the
Main ON/OFF Switch in the ON position.
If equipped with the optional keypad, enter
your PIN-key code and then press the
green ON ( | ) key.
8. Press the lift button to lift the fork frame.
Block the forks.
9. Hold the downstop screw in the correct
adjustment position with an Allen wrench
and firmly tighten the lock nut.
N
OTE: Lock nuts that are not securely
tightened will not hold the adjustment.
10. Install the tractor covers.
11. Remove the blocks from the forks and test
the truck for correct operation.
N
OTE: When downstop adjustment is
performed, it is recommended to inspect
the lower links and fork heels each day
when performing the daily checklist.
Pivot
Frame
Downstop
Screw
Lock
Nut
Fork
Frame
Arch
3.25 in.
(82.5 mm)
0.7 in.
(17.3 mm)
Property of American Airlines
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