Hopper Lid Closing Actuator Adjustment - Nilfisk-Advance RS 501 Service Manual

HOPPER LID CLOSING ACTUATOR ADJUSTMENT

Preliminary operations
1. Empty the hopper (3), according to the procedure shown in the User Manual.
2. Drive the machine on a solid and level ground, then engage the parking brake with the lever (66).
3. Lift the hopper (3), according to the procedure shown in the User Manual.
4. Turn the ignition key (76) to OFF position and remove it.
5. Open the right lid (20) by releasing the fasteners (21) with the supplied key.
6. Remove the locking pins (28) from the housings (29) and place them into the holes (30).
7. Remove the screws (A), then remove the cover (B) and the gasket (C) of the actuator (R), under the rear side of the hopper.
Lid safety hook closing
8. According to the procedure shown in the User Manual, turn the safety hook (D) of the lid (E) to closing position (as shown
in the fi gure); in this condition, loosen the security dowel (F) of the cam (G), and then turn the cam until the microswitch (H)
activates.
Open safety hook warning light adjustment
9. When the safety hook (D) of the lid (E) is turned to closing position (as shown in the fi gure), loosen the security dowel (I) of the
cam (J), and turn the cam until the corner (K) causes the microswitch (L) to activate and the warning light to turn off.
Lid safety hook opening end-of-stroke adjustment
10. According to the procedure shown in the User Manual, turn the safety hook (D) of the lid (E) to the opening end-of-stroke; in
this condition, loosen the security dowel of the cam (N), and then turn the cam until the microswitch (O) activates.
NOTE
To maximize cam adjustment consider the following:
– The cam turns in the direction shown by the arrow (P) when the hook (D) opens;
– The cam turns in the direction shown by the arrow (Q) when the hook (D) closes.
11. To check the cam proper adjustment, open and close the hook (D) several times.
Reset
12. Perform steps 3 to 7 in the reverse order.
DUST AND DEBRIS COLLECTION SYSTEM
C R
B
A
RS 501
SERVICE MANUAL
33015500(3)2008-02
ENGLISH
S300964
37