Komatsu PC88MR-10 Shop Manual page 337

Item
Boom
Arm
Bucket
Blade
Each cylinder
Center swivel joint
PC88MR-10
Machine model
Measurement condition
For measuring posture,
see "Work equipment 7"
Engine: Low idle
Hydraulic oil temperature:
45 to 55 °C
With arm and bucket
cylinders extended fully,
lower boom from max.
raising position and
measure time taken to
raise the machine after
bucket reaches ground
For measuring posture,
see "Work equipment 8"
Engine: Low idle
Hydraulic oil temperature:
45 to 55 °C
With arm top side
horizontal and bucket
cylinder retracted fully,
move arm IN and
measure time to start it
again after it stops on
lower side
For measuring posture,
see "Work equipment 9"
Engine: Low idle
Hydraulic oil temperature:
45 to 55 °C
With boom top side
horizontal and arm
cylinder retracted fully,
CURL bucket and
measure time to start it
again after it stops on
lower side
For measuring posture,
see "Work equipment 10"
Engine: Low idle
Hydraulic oil temperature:
45 to 55 °C
Lower blade from max.
raising position and
measure time taken to
raise the machine after
blade reaches ground
Engine: High idle
Hydraulic oil temperature:
45 to 55 °C
Relieve circuit to be
measured
20 Standard value tables
Standard value table for machine
Standard value for new
Unit
machine
Max. 2
0
sec.
0
Max. 1.0
Max. 1.5
cc/min
Max. 10
PC88MR-10
Repair limit
Max. 3.9
Max. 1.0
Max. 1.0
Max. 2
Max. 7.5
Max. 50
20-13