Landoll 345F, Руководство оператора

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5-6 F-944-1017 Edition
TROUBLESHOOTING
• “Wheel Bearing Lubrication and Adjustment” on
page 4-19
Hydraulic System
Most hydraulic system failures follow the same pattern: a
gradual or sudden loss of pressure or flow with a
resulting loss of cylinder or motor power. Any one of the
system’s components may be at fault. By following
step-by-step procedures, the trouble can be located in a
short time.
PROBLEM PROBABLE CAUSE SOLUTION
EXCESSIVE LOSS OF BRAKES OR
FADING Overheated brake drums Check for defective or misadjusted
brake linings, distorted or
over-machined drums. Also check for
operating conditions or loads that
create severe or excessive brake
applications.
BRAKES PULL TO EITHER SIDE Drums of different diameters Replace with drums of same diameter.
Foreign matter in drums Clean drums out
ROUGH OR NOISY BRAKING ACTION Defective drums Pull drums and inspect for any of the
following. Heat spotted drums,
grease spotting, blue drums, scored
drums, excessive wear at rivet holes
or edges, polished drums, out of
round drums, unbalanced drums,
worn/damaged brake components,
foreign matter in drums. Correct
situation or replace defective part(s).
VIBRATION IN RIDE Defective drums or out-of-round Replace drums
Out-of-balance drums Balance drums
PROBLEM PROBABLE CAUSE SOLUTION
SYSTEM INOPERATIVE Not enough oil in system Fill, check for leaks
Wrong oil in system Change oil, see specifications (See
Table 4-1.)
Filter dirty or clogged Drain oil and replace filter
Hydraulic lines dirty or collapsed Clean or replace as necessary
Air leaks in pump suction line Repair or replace as necessary.
Worn or dirty pump Clean, repair or replace. Check for
contaminated oil. Drain and flush.
Badly worn components Examine for internal leakage. Replace
faulty components. Check for cause
of wear.
Leakage Check all components, and relief valve
for proper settings.
Excessive load Check unit specifications for load limits
(See “Standard Specifications” on
page 2-1.)
Slipping or broken pump drive Repair or replace couplings. Check for
alignment.