Troubleshooting 1900 YRM 1018
Troubleshooting
LIFT ASSEMBLIES
PROBLEM POSSIBLE CAUSE PROCEDURE OR ACTION
Forks fail to elevate. Faulty hydraulic equipment. See Pumps and Hydraulic Cylinders
below.
Deformed lifting components. Disassemble and replace damaged
parts.
Slow lifting speed and insuffi-
cient handling capacity.
Faulty hydraulic equipment. See Pumps and Hydraulic Cylinders
below.
Deformed lifting components. Disassemble and replace damaged
parts.
Forks fai
ltolower.
Deformed
forks.
Disassem
ble, repair, or replace.
Deformed
lifting components.
Disassem
ble, repair, or replace.
Bent hydr
aulic cylinder piston rod.
See Hydra
ulic Cylinders below.
HYDRAULIC CYLINDERS
PROBLEM POSSIBLE CAUSE PROCEDURE OR ACTION
Oil leaks from cylinder gland
around piston rod (An oil ring
appears on the piston rod).
Foreign matter on packing. Replace packing.
Score on piston rod. Remove any foreign matter. Smooth
rod surface with an oil stone. If oil still
leaks, disassemble and repack cylin-
der.
Scores on wiper ring lip. Replace wiper ring.
Unusual distortion of wiper ring. Replace wiper ring.
Chrome plating is stripped. Replace piston rod or renew chrome
plating.
Oil leaks from welded portion. Cylinder tube damaged. Replace cylinder tube.
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