Bosch Rexroth UPE2 General Operating Instructions page 38

38/56 Bosch Rexroth AG
Operation
The drive module may only be operated if it is in an unobjectionable condition.
In order to guarantee long and reliable functioning of the drive module, Bosch
Rexroth recommends checking the hydraulic system and the drive module regularly:
Continuously monitor noises, vibrations and temperatures.
f
After some operating time, check the hydraulic fluid in the tank for bubble or
f
foam formation at the surface.
Changes in operating speeds, temperatures, noise increase or power consump-
tion are an indication of wear or damage at the system or the drive module.
Drive modules | RE 51150-B/07.11