High Range Lock-Up - Volvo FM Handbook

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• Disengage the PTO
• Apply the parking brake
• Move the gear lever to N
• Turn off the engine and restart it

High range lock-up

(Option)
High range lock-up is used when a power take-off is
installed in the drive train. When the gearbox is in
neutral (gear selector in N position) and the drive train
power take-off is engaged, the gearbox will start in the
highest gear. The lock-up clutch locks already at low
speeds.
Engage the drive train power take-off
1
The engine must be idling at low speed
2
Move the gear shift lever to N
3
Apply the parking brake
4
Engage the power take-off in the drive train
5
Wait until HS is shown in the display (High
range lock-up Standby)
6
Move the gear shift lever to position A (or M)
7
Wait until HR is shown in the display (High
range lock-up Running)
8
Increase the engine speed to the desired speed
9
The C will disappear when the engine speed is
increased (the engine speed depends on whether
the gear shift lever is in the A or M position)
Driving 181

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