Terex Genie GTH-4017 EX Service Manual page 188

Section 7 - Repair Procedures
004
TABLE
Procedure: Haydraulic pumps disassembly
5 Remove the two electrical connections (B) of the
electrovalve which controls the machine forward/
reverse movements
6 Disconnect the hydraulic piping:
disconnect the two drain lines of the hydraulic
pump using a 36mm wrench,
disconnect the suction line of the hydraulic pump
with a 50mm wrench,
disconnect the "low pressure line" duct with a
19mm wrench,
disconnect the "transmission engine pilot circuit"
hoses using a 17mm wrench,
disconnect the four flanges which connect the
drive pump to the drive motor with a 10mm Allen
wrench,
disconnect the suction line of the service pump
using a 50mm combination wrench,
disconnect the delivery line ducts of the hydraulic
drive (C) and the main valve with a 36mm wrench
and a 24mm wrench.
disconnect the load sensing signal line from the
hydraulic drive with a 17mm wrench,
disconnect the hydraulic pump hoses using
a 24mm combination wrench and a 36mm
combination wrench.
WARNING
Once all operations have been performed, make
sure that all electrical wires and hydraulic lines are
disconnected from the motor.
7 Disconnect the service pump from the drive pump
by driving out bolts A with a 19mm combination
wrench. Place the pump on to a bench and plug
all the outlets
16
GTH-4017EX GTH-4514EX GTH-4013 EX
5 6
B
6
D
7
B
November 2008
004
Table:
GTH-4017EX
GTH-4514EX
GTH-4013EX
C
B
A
A
Document 57.0009.0427