Bosch rexroth 12 Series - Dimensions; General Instructions

RE 92802-01-B/2023-03-27, BoschRexrothAG
Installation | A15VSO/A15VLO series 12 31/60
3� Before installing, completely drain the axial piston unit to prevent mixing with
the hydraulic uid used in the machine/system.
4� Check the permissible direction of rotation of the axial piston unit
(on the name plate) and make sure that this corresponds to the direction of
rotation of the drive motor.
L
R
Fig� 8: Direction of rotation
L
Counter-clockwise
R
Clockwise
The direction of rotation as indicated on the name plate determines the
direction of rotation of the axial piston unit as viewed on the drive shaft;
see chapter 5.3 "Product identication" on page 21. For information on
the direction of rotation of the drive motor, please refer to the drive motor
manufacturer's instruction manual.
7�4�2 Dimensions
For standard versions, the data sheet 92802 contains all required installation
dimensions as well as the position and dimensions of the ports. If necessary,
aninstallation drawing can be requested. Also observe the manuals provided
bythe manufacturers of the other hydraulic components when selecting the
required tools.
7�4�3 General instructions
Follow these general notices when installing the axial piston unit:
• Note that certain installation positions will affect the control system.
Gravity,dead weight and case pressure can cause minor characteristic shifts and
changes in response time.
• Torsional vibrations and speed variations may cause increased rotary angular
acceleration of the rotary group of the axial piston unit. At risk are diesel drives
with asmall number of cylinders and low ywheel mass and toothed belt or
V-belt drives. Belts can lose much of their pre-charge pressure after just ashort
operating time.
An automatic clamping device can lessen the speed variations and vibrations,
and thus avoid subsequential damage.
– When using drives with toothed belts or V-belts, always use an automatic
clamping device.
• On the drive of an axial piston unit, acardan shaft may cause vibrations
and excessive rotary angular acceleration. Depending on the frequency and
temperature, this may cause leaks in the shaft seal and damage the rotary group.