SDMO R570U, User And Maintenance Manual

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4.5. Implementation for installation
Operations to be carried out:

Ensure that the ground is strong enough for the assembly not to sink into it.

Unhitch the trailer.

Immobilise the trailer by placing chocks under the wheels.

Fully engage the parking brake (if fitted).

Using the front wheel, position the generating set as close to horizontal as possible.

Lower the stands (if fitted), and lock them.
4.6. Break transmission adjustment
- The handbrake is used only as a parking brake.
- Setting is carried out starting with the brakes moving to the brake control.
Important

After fitting the wheels on the axle, turn the wheels in the FORWARD direction (on all RA 2 type brakes, check that the adjustment
screw 8 reaches the “FORWARD” stop on the brake backing plate).

Adjust the brake setting using screw 8, with the cables not connected to the cross bar(s). The shoes should rub the drum slightly.

Connect the brake cables to the cross bars(s) and tighten the nuts and lock nuts, leaving the end of the threaded end protruding by
around 10 mm (Fig. 4.4).
IMPORTANT
: Wherever possible, cables must cross over to achieve the highest possible gain curve (Fig. 4.5).

Check that the parking lever 1 is in the ‘REST” position and that the compensating spring 4 is completely free on its rod (unscrew
the nuts 5 fully).

Check that the hook slide 2 is not compressed and the yoke 3 is in the pulled out position.

Fit the transmission and adjust the assembly using the tensioner 6 until a gap (J1) of 1 mm max is obtained between the linkage 9
and slide 2.

Adjust the compensating spring 4 at one end pressing it against the anchorage plate, and at the other end leaving a 2 mm gap (J2)
max between the spring and nuts 5.

Tighten all the lock nuts.
Checking the setting (trailer on axle stands):

Pull the parking lever 2 notches - the wheels cannot turn in a FORWARD direction.
The wheels can turn in REVERSE (adjustment screw 8 switches to the REAR position).

Pull the parking lever fully.
The wheels will not turn either in FORWARD or REVERSE and the cross bar(s) must remain parallel with the axle body.

Check the transmission setting after 180 miles (300 km) (running in period) and if necessary adjust the gap (J1) using the
tensioner.
Parking
 The lever must be fully pulled up, so that the compensating spring is fully compressed.
 Every 900 miles (1500 km), check the braking settings and distribution on all the wheels.
Important
 The brake controls are designed to draw trailers behind flexible suspension touring vehicles. If used behind an HGV, be sure
to provide the fitted ball joint with a shock absorber to prevent premature wear.
 During any manoeuvres with the trailer coupled, do not turn more than 90° or force reverse.
 The specifications of our brake controls are indicated on a manufacturer's plate, and the items on this should be supplied to us
when requesting replacement parts, in particular for the shock absorber, of a special type, approved by the Service des Mines
to correspond to European standards (it is advisable to have a spare shock absorber to enable instant repairs).
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