Hyster A214, Руководство по обслуживанию и ремонту

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1800 SRM 1037 Troubleshooting
PROBLEM POSSIBLE CAUSE PROCEDURE OR ACTION
The parking brake will not
apply. The springs in the brake caliper are
damaged. Replace springs.
The piston is cocked in the bore. Replace piston if large end diameter
is less than 101.47 mm (3.995 in.) or
the small end is less than 63.37 mm
(2.495 in.).
Replace housing if the
large end of bore exceeds 101.68 mm
(4.003 in.) or the small end of the
bore exceeds 63.63 mm (2.505 in.).
The caliper is locked in the released
position. Move the stud nut to the end of the
stud.
The brake does not hold. Brake is not properly adjusted. Adjust the brake.
Linings or disc is excessively worn. Replace linings when the thick-
ness of the lining is less than 3 mm
(0.118 in.) from the piston or hous-
ing.
Replace the disc when wear
exceeds a maximum of 1.524 mm
(0.06 in.).
Linings are contaminated with oil or
grease. Replace linings.
The springs in the brake caliper are
damaged. Replace springs.
Damaged seals. Wrong type of fluid is being used. Drain, flush, and refill with the
correct fluid.
Replace O-rings and
backup rings.
Spring cap turned when hydraulic
pressure was applied to the brake. Replace O-rings and backup rings.
Damaged springs. Brake is not properly adjusted.
Springs worn. Replace the springs and adjust the
brake.
Lack of lubrication. Replace the springs and apply an an-
tisieze compound to the springs.
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