PERFORMANCE STANDARS 9VX3
ITEM CONDITION STANDARD ALLOW.
SWING
Upper floats when
swing operation is
stopped.
(Brake working angle)
Engine : Rated r.p.m.
Oil temp : 50 ± 5 °C
Fully retracted bucket cylinder and arm
cylinder.
Arm point pin positioned to be horizontal
with boom foot pin.
Boom foot pin
Arm point pin
10 ±5° Below 35°
Return lever to neutral after rotating 90°
with no load.
Measure floating angle after stop the
machine.
Swing
Operating Speed
Engine : Rated r.p.m.
Oil temp : 50 ± 5 °C
Fully retracted bucket cylinder and arm
cylinder. Arm point pin positioned to be
horizontal with boom foot pin.
Measure time required for two turns after
one turn is made.
13.8 sec
± 0. 5° sec
Below
16.0 sec
Natural Drift
Engine : Low idling
Oil temp : 50 ± 5 °C
Incline angle: 15°
Fully retracted bucket cylinder and arm
cylinder.
Arm point pin positioned to be horizontal
with boom foot pin. Slant surface
crosswise.
Measure drift angle after 5 minutes.
Below 0° Below 0°
6-2-2
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