Manitowoc MLC165-1 Service Maintenance Manual

Reference Only
Manitowoc Published 05-26-17, Control # 238-02 6-5
MLC165-1 SERVICE/MAINTENANCE MANUAL SWING SYSTEM
6
6
MANUAL RELEASE OF SWING BRAKE
When removing or installing the swing drive, the swing brake
must be released to allow alignment of the pinion gear and
the rotating bed ring gear.
NOTE A hydraulic hand pump with a pressure gauge is
needed to manually release the swing brake.
See Figure 6-3
for the following procedure.
1. At the brake (2) disconnect the brake release hose (4)
from the brake release fitting (5).
2. Connect the hand pump hose to the brake release fitting
(5).
3. Using the hand pump, pressurize the brake to 392 psi
(27 bar).
The swing drive can now be removed.
4. To reapply the brake, relieve the pressure from the hand
pump.
5. Disconnect the hand pump hose from the brake release
fitting (5).
6. Connect the brake release hose (4) to the brake release
fitting (5).
WARNING
Unexpected Crane Movement
When the swing brake is released, the crane can
suddenly swing. Before releasing the swing brake, secure
the crane by lowering the boom onto blocking at ground
level to prevent sudden uncontrolled swinging.
The swing brake manual release procedure is for
servicing purposes only. Do not operate the crane unless
the swing brake is fully operational.
CAUTIONS
Avoid damage to parts
Do not exceed 392 psi (27 bar) when releasing the swing
brake with the hand pump.

Manitowoc MLC165-1 Specifications

General

Brand	Manitowoc
Model	MLC165-1
Category	Construction Equipment
Language	English