Manitowoc Published 09-05-14, Control # 226-02 6-1
14000 SERVICE MANUAL SWING
SECTION 6
SWING
MANUAL RELEASE OF SWING BRAKE
See Figure 6-1
The hydraulic swing brake must be released when the swing
planetary is removed and reinstalled to allow alignment of
the gear teeth in the swing shaft with the teeth in the ring
gear.
NOTE: This crane does not have a swing lock.
A hydraulic hand pump with pressure gauge is needed to
manually release the swing brake.
1. Disconnect hoses from fitting at brake release port.
2. Attach hand pump to brake release port.
3. Pressurize brake to 24 bar.
4. Proceed to remove or install swing planetary.
5. Relieve pressure and remove hand pumps.
WARNING
Unexpected Crane Movement
Crane can swing suddenly when swing brake is released.
Before releasing swing brake, secure crane by lower
boom onto blocking at ground level to prevent sudden
uncontrolled swinging.
The procedure given in this section is for servicing
purposes only. Swing brake must be fully operational
when operating crane.
CAUTION
Avoid damage to parts
Do not exceed 24 bar when releasing swing brake.
FIGURE 6-1
P2382a
Item Description
1 Swing Planetary
2Swing Brake
3 Brake Release Port (06 ORS Fitting)
4Swing Motor
4
3
2
1