Installation 49/68
RE 15302-WA/05.2019, Hägglunds CB, Installation and maintenance manual ,
Bosch Rexroth Mellansel AB
Vertical mounting
When the motor is mounted vertically, the highest of four drain ports D1 to D4 must
be used.
Flushing (lubrication) of radial seal from low pressure is necessary.
A)
Motor shaft pointing upwards
The drain line must be connected to the drain port D3 in the housing cover
(See
Fig. 46
,
alt. A
). The flushing connection F1 on the housing cover should be
connected to the low pressure. With bidirectional drives, use the connection with
lowest average pressure.
(Connecting to high pressure will increase the motor drain flow).
B) Motor shaft pointing downwards
The drain line must be connected to one of the drain ports D1, D2 or D4 in the
connection block. (See
Fig. 46
alt.
B)
. The flushing connection F2 shall be connected
to low pressure. With bidirectional drives, use the connection with lowest average
pressure. (Connecting to high pressure will increase the motor drain flow).
A)
Shaft side upwards
B) Shaft side downwards
Flushing flow inlet
DD00087722
Low pressure
Orifice ⌀ 1 mm
Low pressure
Drain line
connection
Radial seal
Radial seal
Dust seal
Drain line
connection
G1/4", Flushing
connection
F1
G1/4", Flushing
connection
F2
Fig. 46: Vertical mounting
F1
F2
D3
D3
D1, D2, D4
D1, D2, D4
D3