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PERFORMANCE CRITERIA
SERVICE DATA
Boom cylinder speed
• Engine: Maximum R. P. M.
• Hydraulic oil temp.: 50~60°C
• Measurement posture: Completely retract the arm cyl-
inder
, fully extend the bucket cylinder and rest the dozer
blade on the ground.
• Then measure the time required for the bucket to reach
its highest elevation point (lowest point) from its lowest
point (highest point) resting on the ground. (Do not in-
clude the cushioning time.)
Arm cylinder speed
• Engine: Maximum R. P. M.
• Hydraulic oil temp.: 50~60°C
• Measurement posture: Completely retract the arm cyl-
inder
, fully extend the bucket cylinder, position the arm
horizontally and rest the dozer blade on the ground.
• Then measure the time required for the arm cylinder to
completely retract (extend) from a fully extended state
(retracted state).
Bucket cylinder speed
• Engine: Maximum R. P. M.
• Hydraulic Oil Temp.: 50~60°C
• Measurement posture: Completely retract the arm cyl-
inder
, position the arm horizontally and rest the dozer
blade on the ground.
• Then measure the time required for the bucket cylinder
to completely retract (extend) from a fully extended state
(retracted state).
Dozer blade cylinder speed
• Engine: Maximum R. P. M.
• Hydraulic oil temp.: 50~60°C
• Measurement Posture: Using the hoe attachment, lift up
the dozer blade end of the excavator.
• Then, raising and lowering the dozer blade full stroke,
measure the time required per stroke in each direction.
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