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TM 10-3930-660-10

0006 00-15

OPERATION UNDER UNUSUAL CONDITIONS - CONTINUED 0006 00

EMERGENCY BOOM OPERATIONS - CONTINUED

3. Emergency Boom Raise

. Whenever an emergency situation prevents the use of engine power for raising the boom, pro-

ceed with the following:

a. Remove the transmission cover.

b. Remove the steer cylinder crossover tow hose from the dummy tee fitting, located on the main frame crossbar at the

rear of the transmission. Install caps on the dummy tee (two small caps are located in the tool box as part of the emer-

gency lift/retract kit).

c. Assemble the #8 nut and the #8-6 reducer to the union parts (are from the emergency lift/retract kit) and install the

assembly on one end of the tow hose.

d. Assemble the #12 nut and the #12-6 reducer to one end of the #12 tee fitting (parts from the emergency lift/

retract kit) and install on the other end of the tow hose.

e. Disconnect the output line from the emergency pump at the priority valve tee. Install a cap at the priority valve tee

connection.

409-055

CYLINDER

CROSSOVER

TOW HOSE

DUMMY

TEE

FITTING

#8 UNION

#8 NUT

#12 NUT

#12 CAP

#12 TEE

TOW HOSE

#12-6 REDUCER

#8-6 REDUCER

STEER

EMERGENCY LIFT/RETRACT KIT

409-060

BOOM HOIST CYLINDERS

BOOM CONTROL

VALVE

CAPS

CAP

PRIORITY

VALVE

EMERGENCY

STEER

HOSE ASSEMBLY FROM

LIFT/RETRACT KIT

PUMP

1 2 ... 80 81 82 83 84 85 86 87 88 89 90 ... 200 201

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