Takeuchi TL150 Workshop Manual

IV-106
HYDRAULIC UNITSCYLINDERS
TROUBLESHOOTING
Symptom Probable Causes Remedy
Oil leaks from piston rod slid-
ing surface (an oil ring forms on
the piston and this enlarges and
drips off).
• Foreign matter is caught in the
inner diameter portion of the rod
packing, backup ring or dust seal.
• The inner diameter lip of the rod
packing, backup ring or dust seal is
damaged or abnormal.
• Remove the foreign matter.
• Replace the affected parts.
• Piston rod sliding surface is
scratched.
• The hardened chrome plating is
separating from the piston rod.
• Smooth the sliding surface with an
oil stone (1.6 S or lower)
• If it leaks after the sliding surface
has been smoothed, replace the rod
packing and other seals.
• If it leaks after the seals have been
replaced, replace the piston rod.
• Repair the hardened chrome plat
-
ing.
Oil leaks from the outer circum-
ference of the rod cover.
• O-ring is damaged.
• Backup ring is damaged.
• Replace the affected parts.
• Replace the affected parts.
Oil leaks from welded portion. • The tube·s welds are damaged. • Replace the affected parts.
Cylinder natural drop (this is the
maximum amount of movement
of the piston in 10 minutes when
a static weight corresponding to
the maximum use pressure mul-
tiplied by the cylinder·s surface
area) is 0.5 mm or greater.
• Foreign matter is caught in the wear
ring sliding surface.
• The sliding surface of the wear ring
is scratched or abnormal.
• The piston packing sliding surface
is scratched.
• The O-ring is damaged.
• Remove the foreign matter.
• Replace the affected parts.
• Replace the affected parts.
• Replace the affected parts.

Takeuchi TL150 Specifications

General

Travel Speed - High	11.2 mph (18 km/h)
Max Travel Speed	12.4 km/h
Width	1880 mm
Height	2320 mm
Lift Height	10.5 ft (3.2 m)