SkyTrak 6036 Service Manual User Manual
Page 175
Section 9
Hydraulic System
Model 6036/6036T S/N 9B0500 thru 14833
9-25
Fig. 9.14 Brake Circuit – Without De-Clutch
4.
Park the forklift on level ground and engage
the park lock.
5.
Check service brakes with brakes at room
temperature. Select second gear and fully
apply service brakes. Switch park lock to
“disengaged” position. The forklift must not
move when engine is brought up to full throttle
while transmission selector is shifted to either
“forward” or “reverse”.
6.
If the service brakes do not meet performance
requirements, locate the cause of the problem
and correct before putting the vehicle into
service.
The park lock should be tested whenever repairs
or adjustments are made to park lock components.
1.
Start the engine, park the forklift on level
ground and level the frame.
2.
Check park lock with 6000 lbs. on forks.
3.
Park up-grade on 30° ramp, shift transmission
to neutral, engage the park lock and release
service brakes, the forklift must not roll.
4.
If the park lock test does not meet perform-
ance requirements (refer to Troubleshooting,
paragraph 9.8) and locate the cause of the
problem and correct before putting the vehicle
into service.
0-1000 PSI
PRESSURE
GAUGE
PARK LOCK RELEASE VALVE
TO POWER
STEERING
UNIT
0-1000 PSI
PRESSURE GAUGE
INSTALLED IN PARK LOCK BLEEDER
SERVICE BRAKE VALVE
STAINER
0-1000 PSI
PRESSURE
GAUGE
30
GPM
15
GPM
PRESSURE
REDUCING
VALVE 525
±
25 PSI
A
B
C
D
D
C
PARK
LOCK
CHECK
VALVE
SEQUENCE
VALVE
610 - 660 PSI
TANDEM
PUMP
A
B
BRAKES
APPLIED
BRAKES NOT
APPLIED
C
D
D
C
RETURN FILTER
RESERVOIR
SERVICE BRAKE
VALVE 525 ± 25
PSI
ENGAGED
DISENGAGED
FROM THE CONTROL
VALVES
MA3050