1800 SRM 951
Brake Treadle Valve Repair
Pressure Switch Replacement
WARNING
Before disconnecting any hydraulic lines,
release pressure from hydraulic circuit as fol-
lows:
1.
Shut engine OFF and completely lower
mast. Install blocks at wheels to prevent
vehicle from moving.
2.
Operate brake pedal until hydraulic pres-
sure is released.
NOTE:
There are two pressure switches, one for de-
tection of low pressure and the other detects when
the brake pedal is applied and activates the brake
lights.
1.
Raise cab. See the section Operators Cab for
your lift truck.
2.
Put tags for identification on lines. See Figure 2.
Disconnect lines from switch.
3.
Put caps on open lines. Disconnect electrical con-
nector.
4.
Install new switch. Connect hydraulic lines and
connector at switch.
5.
Remove air from hydraulic system and check
pressure at switch as described in System Air
Removal.
Accumulators Replacement
WARNING
The accumulator has a pressure charge and
can cause an injury if the pressure is released
too fast.
Follow the manufacturer’s instruc-
tions during removal and installation.
Before disconnecting any hydraulic lines,
release pressure from hydraulic circuit as fol-
lows:
1.
Shut off engine and completely lower mast.
Install blocks at wheels to prevent vehicle
from moving.
2.
Operate brake pedal until hydraulic pres-
sure is released.
1.
Put tags for identification on lines. See Figure 2.
Slowly disconnect hydraulic lines from accumu-
lator to release any pressure slowly. Put caps on
open lines. Remove accumulator.
2.
Follow the manufacturer’s instructions during
installation of the new accumulator.
Tighten
bracket nuts. Connect lines.
3.
Operate system and check for leaks.
Brake Treadle Valve Repair
REMOVE AND DISASSEMBLE
WARNING
Before disconnecting any hydraulic lines,
release pressure from hydraulic circuit as fol-
lows:
1.
Shut off engine and completely lower mast.
Install blocks at wheels to prevent vehicle
from moving.
2.
Operate brake pedal until hydraulic pres-
sure is released.
NOTE:
The brake treadle valve is mounted to the
base of the operator’s cab in line with the brake
pedal.
1.
Put tags for identification on lines. Disconnect
lines from valve. See Figure 2. Put caps on open
lines.
2.
If valve assembly will be repaired or replaced,
remove bolts that fasten brake treadle valve as-
sembly to floor plate of cab.
5
Содержание H10.00-12.00XM-12EC
Страница 1: ...Hyster F007 H8 00 12 00XM Europe Forklift...
