6/02
4-153
DC1632/2240
ADJ 5.2
Repairs and Adjustments
Prelaunch Training/Review
ADJ 5.2 DADF Counterbalance
Purpose
Correct DADF opening and closing action.
Check
1. Check DADF opening and closing action.
a. Raise DADF and check that it remains in fully raised position.
b. Check that the DADF closes from a height of 100 ±50mm by its own weight without
excessive noise (Figure 1).
Figure 1 Checking DADF Height
Adjustment
WARNING
To avoid personal injury or shock, do not perform repair or adjustment activities with
the power switch on or electrical power applied to the machine.
CAUTION
When removing the Rear Cover, disconnect LED Connector on DADF PWB.
1. Remove the Rear Cover. (REP 5.18)
2. Adjust the Left Counterbalance (Figure 2).
NOTE: Rotate in A direction for stronger spring pressure
Rotate in B direction for weaker spring pressure
a. Loosen the nut.
b. Rotate the Set Screw for the adjustment.
c. Tighten the nut.
Figure 2 Adjusting Left Counterbalance
100 mm +/- 50 mm
A
B
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