Tico Pro-Spotter, Service Manual

Page: 141 / 211

PRO-SPOTTER HYDRAULIC SYSTEM
TICO Manufacturing
Service Manual 11-7
HYDRAULIC SYSTEM
TROUBLESHOOTING
SYMPTOM POSSIBLE CAUSE SUGGESTED SOLUTION
ADDITIONAL
INFORMATION
Hydraulic pump
excessively noisy
Hydraulic oil level is low Fill reservoir with proper oil
to specified level. See “CHECK FLUID LEVEL”
on page 11-2 or
see “Hydraulic Fluid Filling”
on page 11-5.
Suction filter restricted Clean or replace suction
filter. See “HYDRAULIC FILTER
ASSEMBLY” on page 11-4.
Suction line restricted or
collapsed Install new suction line.
Improper viscosity hydraulic
oil (too heavy) Drain and refill with proper
oil to specified level. See “LUBRICATION
CHART” on page 2-9 or see
“Hydraulic Fluid Draining” on
page 11-5.
Hydraulic oil
temperature is too
high
Hydraulic oil level is low. Fill reservoir with proper oil
to specified level. See “CHECK FLUID LEVEL”
on page 11-2 or
see “Hydraulic Fluid Filling”
on page 11-5.
Machine overloaded Remove overload from
machine.
Improper viscosity hydraulic
oil (too light) Drain and refill with proper
oil to specified level. See “LUBRICATION
CHART” on page 2-9 or see
“Hydraulic Fluid Draining” on
page 11-5.
Boom operation
slow or sluggish
Hydraulic oil level is low Fill reservoir with proper oil
to specified level. See “CHECK FLUID LEVEL”
on page 11-2 or
see “Hydraulic Fluid Filling”
on page 11-5.
Hydraulic pump pressure is
low Repair or replace hydraulic
pump. See “HYDRAULIC PUMP”
on page 11-6.
Boom leaks down Cylinder piston packing
leaking Repair or replace boom
cylinder. See “BOOM CYLINDERS”
on page 12-4.
Directional control valve
leaking internally Repair or replace directional
control valve. See “DIRECTIONAL
CONTROL VALVE” on
page 11-3.
Boom cylinder
leaking externally
Damaged or worn rod seal
and wiper Repair or replace boom
cylinder. See “BOOM CYLINDERS”
on page 12-4.
Hydraulic pump
leaking at shaft
Worn or damaged shaft seal Repair or replace hydraulic
pump. See “HYDRAULIC PUMP”
on page 11-6.
Worn or damaged bearings