Hyster A099, Руководство по устранению неисправностей

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Tilt Racking Check Actuate mast back tilt function until hydraulic valve
goes over relief.
Do both sides of mast stop evenly?
YES: Tilt stops are adjusted
OK. Go to next check.
NO: Adjust tilt stops. See
Mast Repair (S/N A270,
A271, A272)
4000SRM1386.
Tilt Function, Tilt
Lock Piston
WARNING
Ensure load is secured so it will not move when
mast is tilted fully forward.
1. Put secured capacity load on forks and raise
forks approximately 1 m (3 ft).
2. Tilt load back to tilt stop.
3. Move tilt lever to tilt forks forward full stroke
and observe speed.
Can tilt speed be controlled?
YES: Tilt lock is OK. Go to
next check.
NO: Repair tilt lock piston
valve in tilt spool. Depending
on your lift truck see,
Main
Control Valves
2000SRM1334 or Main Con-
trol Valves 2000SRM1439.
Mast Cushion
Check - Main Lift
Cylinder Ensure the following before starting procedure:
• Truck operating on flat surface.
• Adequate overhead clearance to raise forks to
maximum height.
WARNING
Ensure load is secured so it will not
move when mast is tilted fully for-
ward.
• Secured capacity load on forks.
1. Raise forks to maximum height of main lift cyl-
inders.
2. Lower forks as fast as possible and observe
cylinder rod as main lift cylinders reach bottom
of stroke.
Does fork speed slow and does a hissing
sound come from cylinder at bottom of
stroke?
YES: Piston ring is OK. Go to
next check.
NO: Inspect and clean piston
ring. Depending on your lift
truck see,
Cylinder Repair
(Mast S/N A270-72, A551,
A555, A559, A626, A627,
A751-52, B551, B555,
B586-91, B749-54, C661-63,
C665, D507-09, D515,
D562-64, E509, E564)
2100SRM1382 or Cylinder
Repair (Mast S/N B551,
B555, B559)
2100SRM1440.
Operational Diagnostic Procedures Operational Checkout
Check the Service Manual section in Hypass Online for possible updates and check pertinent Grams
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