ENGLISH
SERVICE MANUAL
DRIVE SYSTEM
DRIVE PEDAL CHECK AND ADJUSTMENT
Preliminary operations
1.Empty the hopper (3); if it contains a small quantity of waste, it is not necessary to dump it.
Check
2.Drive the machine on a level and smooth ground, and, with the engine on, check that the machine does not move forward or backward when the drive pedal (56) is not pressed.
If the machine moves, even though slightly, check the drive pedal, according to the following procedure.
Drive pedal check
3.Engage the parking brake with the lever (66).
4.Turn the ignition key (76) to OFF position.
5.Check that the drive pedal (56) turns freely on its shaft and that it does not bind/slow down, which may prevent the pedal from resuming the neutral position.
If necessary, remove the possible cause for binding/slowing down, then repeat step 1. If the problem persists, adjust the drive system pump as shown below.
Drive system pump adjustment
6.Disengage the parking brake with the lever (66).
7.Stop the left front wheel with two wedges (A).
8.Remove the right front wheel according to the procedure shown in the relevant paragraph.
9.Place safety stands under the machine side sill, on the side where the wheel has been removed.
10.Lift the hopper (3) for 20 cm, according to the procedure shown in the User Manual.
11.Turn the ignition key (76) to OFF position and remove it.
12.Open the right lid (20) by releasing the fasteners (21) with the supplied key.
13.Empty the dust control system water tanks (7 and 16) according to the procedure shown in the relevant paragraph.
14.Remove the screw (44) and open the right tank (43).
WARNING!
Open the tanks (7 and 16) only if they are empty: each tank contains 120 kg of water approximately.
15. Turn on the diesel engine with care.
WARNING!
When the diesel engine is running, the wheel hub (B) can be rotating.
16.Check that the machine is in the following conditions:
•Diesel engine is running
•Drive pedal (56) is not pressed
•Brakes and parking brake are not activated
In these conditions, operating on the drive system pump (C), loosen the locknut (D) then turn the threaded dowel (E) clockwise or
Tighten the locknut (D).
17.Engage the parking brake with the lever (66).
18.Turn the ignition key (76) to OFF position.
19.Perform steps 6 to 12 in the reverse order.
20.Perform step 1 again.
21.If necessary, fi ll the dust control system water tanks according to the procedure shown in the User Manual.
70
RS 501
