Manitowoc Published 05-26-17, Control # 238-02 4-7
MLC165-1 SERVICE/MAINTENANCE MANUAL BOOM
MAST ANGLE SENDING UNIT
The mast angle sending unit (1, Figure 4-5) was set at the
factory and should not require periodic adjustment.
Adjustment is required if parts are replaced.
Adjusting Mast Angle
1. Lower the mast to transport position.
2. Place a digital protractor-level (1) on the left mast leg (2)
and note the mast angle.
3. Go to the mast angle readout (4) on the information
screen of the main display. Note the mast angle.
4. Verify the angles noted in step 2
and step 3 are within
1°.
5. If necessary, loosen the mounting screws and rotate the
sending unit (3) in the mounting slots until the reading on
the display matches the angle displayed on the level.
6. Securely tighten the mounting screws.
Figure 4-5
1
2
3
M100695
4
Item Description
1 Digital Protractor-Level
2 Left Mast Leg
3 Angle Sending Unit
4 Mast Angle Screen