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Installation
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Fig. 11: Hydraulic connections at the drive unit
Bosch Rexroth AB, Installation and maintenance manual, Hägglunds DOb, RE 15327-WA/05.2017
7.4 Hydraulic connections
During mounting of the hydraulic connections the following points must be followed.
• Do not remove coupling protections until final assembly.
• Mount all external pipes to give sufficient working space to allow maintenance of
the drive unit.
• Always use hoses to connect with piping.
• All measures in the hydraulic system must be performed by professional service
personnel with knowledge of risks involved. Be especially accurate when
connecting the A connection (high pressure).
Pressurized oil leakage
Danger to life or risk of injury.
▶
Do not open any connections if the hydraulic system is pressurized.
Table 6: Hydraulic connections
A
"1"" SAE J518C Flange
D
3/4" G Male
R
1" G Male
DANGER
A-Port pump
Drain from hydraulic motor
Return from hydraulic motor
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