Nexen MBU-875 930200 - Manual (Page 5)

5 FORM NO. L-20134-J-1211
NOTE
Make sure the air inlet ports are properly aligned for
your MBU mounting requirements.
5. Using the four Socket Head Cap Screws (Item 31), secure
the MBU to the MDU.
6. Alternately and evenly tighten the four Socket Head Cap
Screws (Item 31) to 35 ft-lb [47 Nm] torque.
NOTE
Make sure the air inlet ports are properly aligned for
your mounting requirements.
MODULAR CLUTCH-BRAKE (MDB)
Refer to Figure 2.
NOTE
The Modular Drive Unit (MDU) Ball Bearing (Item
27) is loose fitting by design. Do not allow this Ball
Bearing to fall off the MDU.
1. Place the Modular Drive Unit (MDU) on a table with the Ball
Bearing (Item 27) facing up and properly seated against the
Retaining Ring on Models 625 and 875.
2. Set the Modular Brake Unit (MBU) onto the MDU, making
sure the Ball Bearing (Item 27) is fully seated into the bore
of the MBU.
3. Rotate the MBU until the four clearance holes are aligned
with the four tapped holes in the MDU.
4. Press the MBU down against the Compression Spring (Item
14) until the faces of both units are flush.
MODULAR CLUTCH (MDO)
NOTE
The Modular Drive Unit (MDU) Ball Bearing (Item
27) is loose fitting by design. Do not allow this Ball
Bearing to fall off the MDU.
1. Place the Modular Drive Unit (MDU) on a table with the Ball
Bearing (Item 27) facing up and properly seated against the
Retaining Ring on Models 625 and 875.
2. Set the Modular Output Unit (MOU) onto the MDU, making
sure the Ball Bearing (Item 27) is fully seated into the bore
of the MOU.
3. Rotate the MOU until the four clearance holes are aligned
with the four MDU tapped holes.
4. Press the MOU down against the Compression Spring (Item
14) until faces of both units are flush.
FIGURE 1
Socket Head
Cap Screw
(Item 31)
Ball Bearing
(Item 27)
Compression
Spring
(Item 14)
Modular
Drive Unit
Modular
Output Unit
CONNECTING UNITS TO FORM COMBINATIONS
Refer to Figure 1.
FIGURE 2
Socket Head
Cap Screw
(Item 31)
Ball Bearing
(Item 27)
Modular
Drive Unit
Modular
Brake Unit
Compression Spring
(Item 14)
5. Using the four Socket Head Cap Screws (Item 31), secure
the MOU to the MDU.
6. Alternately and evenly tighten the four Socket Head Cap
Screws (Item 31) to 35 ft-lb [47 Nm] torque.
CAUTION
Never substitute Hex. Head Cap
Screws for the Socket Head Cap
Screws (Item 31).
CAUTION
Never substitute Hex. Head Cap
Screws for the Socket Head Cap
Screws (Item 31).