Tadano GR-700N, Service Manual

Page: 90 / 200

Y-9 Y-9
Operation Check (Traveling Device)
77
WY05-3940E
Y-9 Operation Check (Traveling Device)
1. Permanent-magnetic retarder
1. Jack up the vehicle and select 6-wheel drive mode, and then set the retarder switch to ON (High and Low).
(The pilot lamp lights up.)
2. Set the shift lever from N to D position, and then depress the accelerator.
→ Release accelerator pedal: Retarder is operated.
→ Depress accelerator pedal again: Retarder does not operate.
(Check the retarder operating state by the valve operating sound.)
3. Accelerator OFF → Vehicle speed < 1 km/h (0.62MPH): Retarder does not operate.