Tools Needed; Weight Of Cover And Rotor - Kongsberg Frydenbo IRV-2 Maintenance Manual

Maintenance Manual
The information below describes tools needed when servicing the Steering Gear, and the weight of
actuator cover and rotor.
5 Year Service
- Lifting equipment for removal
of cover
Hydraulic torque wrench
-
500 - 3700Nm
Equipment for draining oil
-
from the actuator
Weight – approximate values
Actuator Type
IRV 900-2
IRV 1400-2
IRV 2050-2
IRV 2700-2
IRV 3050-2
IRV 4200-2
See chapter 8. System Oil Volume
See chapter 10. Tightening Torque for Bolts
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Tools Needed

10 Year Service

Weight of Cover and Rotor

Cover
1100 kg
1100 kg
2145 kg
2145 kg
2830 kg
2830 kg
- 2 High pressure pumps with gauges.
Minimum 1000 bar.
Dial gauge
-
- Hydraulic torque wrench 500 - 3700Nm
Equipment for draining oil from the actuator
-
Lifting equipment for removal of cover and rotor
-
- Hydraulic cylinder and hand pump to secure
the rudder
Liquid nitrogen for replacement of liners
-
Rotor
3400 kg
4800 kg
7100 kg
8950 kg
8850 kg
11650 kg
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