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Miscellaneous—Operational Checkout
Continued on next page KR46761,0001414 -19-01AUG18-38/50
1— Engine Speed Dial
2— Auto-Idle Switch
3— Travel Mode Switch
4— Power Mode Button
IMPORTANT: Position machine as shown. Operate swing and arm in
slowly a few times before attempting to perform check to ensure
attachment does not contact machine or ground.
Position machine as shown.
Turn engine speed dial (1) to H (fast idle) position.
Press power mode button (4) until PWR (power) mode is displayed on monitor.
Operate swing function and record time required for 3 complete revolutions.
Divide that time by three to get an average time for 1 revolution.
Specication
Swing Function—Time—(1 revolution)............................................................4.7—5.3 s
Position machine as shown, arm extended and upperstructure 90 degrees to tracks.
Turn engine speed dial (1) to H (fast idle) position.
Press power mode button (4) until PWR (power) mode is displayed on monitor.
Raise boom high enough so attachment does not contact the machine or ground
during arm in and swing combined operation.
Operate swing function and slowly actuate arm in function when upperstructure is in
line with tracks. Record time required for 1 complete revolution.
NOTE: Swing speed should not slow when actuating arm in. YES: Go to next check.
LOOK: Does swing speed remain unchanged when actuating arm in? NO: See an authorized
Hitachi dealer.
4-2-33
112321
PN=313
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