Example 1 - IMER IM R13 T Use And Maintenance Manual

USE AND MAINTENANCE MANUAL

EXAMPLE 1

If necessary, carry out the boom lowering operation:
1. This operation is associated with the electric valve YV1B of the main block A.
2. Unscrew the protective nut on the electric valve YV1B (using adjustable wrench No. 13).
3. Screw the emergency pawl to the end without forcing it.
4. Screw the protective nut on the electric valve YV1B (using adjustable wrench No. 13).
5. Start the hydraulic pump up by using the appropriate lever until the boom is completely lowered or
activate the 12 V electric pump by turning the start switch to 1 and keeping it in this position until the
operation is complete.
6. Unscrew the protective nut on the electric valve YV1B (using adjustable wrench No. 13).
7. Unscrew the pawl of the electric valve YV1B without forcing it.
8. Screw the protective nut on the electric valve YV1B (using adjustable wrench No. 13).
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IM R13 T