9
4.3 Maintenance
Before maintenance work at the coupled trailer the engine of the carrier vehicle has to be
switched off and the ignition key to be pulled out. If the engine has to be started during
checks and inspections, special caution is to be exercised.
When working under the jacked transfer vehicle, the vehicle needs to be secured with
appropriate stands.
Maintenance work at the brake and hydraulic system may only be done by trained
professionals under observance of the security advices.
The following maintenance works need to be executed daily:
•
check tyre pressure
Caution!
tyre pressures see Point 5.2. “Weights”
•
drain water from compressed air supply tank
•
check brake system and parking brake on their function
•
check electric system on its function
•
grease shaft
•
check hydraulic system for any damage
•
check drive chain tension
•
The following maintenance works need to be executed after 50 operating hours:
•
check and adjust the actuation distance of the brake cylinder
•
grease every greasing spots as written in the greasing plan
•
check auger wear
•
check wheel bearings
•
check if every screw connection is solidly fixed, especially the towing eye
The following maintenance works need to be executed after 100 operating hours:
•
check wheel nuts on fastening torque
thread
Fastening torque in Nm at bolt performance
8.8.
10.9.
12.9.
M18 x 1,5
290
320
350
M20 x 1,5
380
420
460
M22 x 1,5
510
560
610
•
check entire compressed air system on function, density and secure fixing
•
clear line filter of the braking pipes
•
clear wheel hub bearing
The following maintenance works need to be executed after 200 operating hours:
•
Grease every greasing spot as written in the greasing plan.
During care and maintenance work leaking oils and grease substances have to be caught
with the proper tools and be disposed environmentally compatible.
