Specifications

Service Training
Page 4.2
Section 76
09.04
Q
Power unit for forward travel
in order.
Perform the sarne test with the reverse travel pedal
depressed. The readings will then apply for the
opposite direction of travel.
Internal leak, possible
causes:
Combined boost and
prsssure-relief valve, bypass
valve leaking. Output device
faulty.
External leaks in power unit for
reverse travel.
Disconnect the left hydraulic motor, repeat the test.
noyes
Fault in right motor,
eliminate fault or renew
the motor.
noyes
HP and LP now in order.
HP and LP now in order.
HP far below
specifications, LP at least
17.5 bar.
Disconnect the right hydraulic motor, repeat the test.
HP and LP
pulsate or LP drops below
12 bar and HP does
not rise.
HP 330
+ 20
bar
on H 50/60, 390
+ 20
bar on
H 70/80. LP minimum
17.5 bar.
Fault in left motor,
eliminate fault or renew
the motor.
Fault in variable pump,
remedy fault or renew
pump.