Model TA50RT
Rev. 1 04/99
EMERGENCY PROCEDURES
4
4 - 4
DP Dump Valve
BO Brake Override
BY Hydraulic ByPass
L1D Lift 1 Down
L2D Lift 2 Down
L3D Lift 3 Down
L3U Lift 3 Up
RR Rotate Right
RL Rotate Left
TI Tele-boom In
Figure 4.1 - Emergency Handpump - Hydraulic Valve Block
On completion of the required operations, ensure all valve knobs are screwed out fully.
4.2.2 EMERGENCY ROTATION
The emergency rotation of the superstructure is performed by a mechanical override or the emergency pump.
For the mechanical override procedure, use 1/2” square socket, extension and ratchet handle attached to the
square extension shaft of the rotate drive gearbox.
For the emergency pump procedure, activate the emergency pump move black handpump lever to the left and
screw in the appropriate valve override knobs (as described in section 4.2.1).
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