Maintenance work on the carrier
7.6 Transmission
7 - 40 3 302 719 en Maintenance manual
GMK6300L-1
13.02.2018
Speeding up the warming up procedure
• Allow the engine to run at idling speed in neutral position N.
• Fully press the service brake pedal, even if the parking brake is applied.
• Shift first to transmission mode D and then to R and allow the engine to
run briefly at approx. 1200 - 1500 min
-1
(rpm) in each transmission mode
for a maximum of 30 seconds.
• Shift into neutral position N and let the engine run at idling speed.
• Check the gear oil temperature on the Inspection submenu;
à Manual de instrucciones.
• Wait until the prescribed temperature range is reached.
• Switch the engine off and check the gear oil level; à When the gear oil is
cold
, p. 7 - 38; Ã When the gear oil is warm, p. 7 - 39.
Driving the truck crane
• Check the gear oil temperature on the Inspection submenu; à Manual de
instrucciones
.
• Wait until the required gear oil temperature is reached.
• Stop and apply the parking brake.
• Align the truck crane horizontally.
• Shift into the neutral position N.
• Switch the engine off and check the gear oil level; à When the gear oil is
cold
, p. 7 - 38; Ã When the gear oil is warm, p. 7 - 39.
S
Risk of damage to the transmission when speeding up the warming
up procedure
When the wheels are locked, the full engine output may only be applied in
transmission mode D or R for a maximum of 30 seconds. If this duration is
exceeded, the transmission could become overheated and be damaged.
G
Risk of scalding from escaping coolant
During accelerated warming up, coolant may escape from the expansion
tank, before the display showsa coolant temperature of 70 °C (160 °F).
The coolant then leaks from the expansion tank.
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