76
Maintenance and Service
5.3.2
PowerBoss system mainte-
nance I
The following maintenance work must
be completed by an authorized Power-
Boss service center.
Activity
Interval
Every 250 operating hours
Check the battery in terms of acid level, acid density and voltage per cell; clear up any defects as
necessary
o
Change the gear oil in the hydraulic motor
o
Grease the rotary joint
o
Check the service brake for leaks, check the main brake cylinder and actuating rods, clear any
defects
o
Check the brake fluid in the service brake, top up as necessary, bleed
(Note: brake fluid must be changed every 2 years!)
o
Subject the service brake to a brake tests; clear any defects as necessary
o
Check the parking brake for actuating play; repair as necessary
o
Subject the safety catch to a function test (to release the parking brake)
o
Check the steering for steering play and adjust as necessary
o
Lubricate and grease the steering
o