Operating Instructions Maier Rotary Joints
Series DP
B-DP_en -Version 4 – 14.02.2011
Keep these instructions for future reference!
6
5.2 Aligning the rotary joint, sealing with flat packing
Place dial gauge M from the idle machine frame MG
onto the rotary joint.
Rotate roller W until the dial gauge is at the bottom
dead center UT. Mark the pointer position.
Rotate roller until you reach the upper dead center
OT.
Tighten the bottom screws Su until the dial gauge is
in the center position.
Repeat this alignment process until you reach the
concentricity tolerance specified in the table.
Tighten the screws with the admissible torque as per
"Specifications and Spare Parts"!
Fig 8. Aligning the rotary joint
Admissible concentricity tolerance
n
(min
-1
/ rpm)
DN [mm]
DN [inch]
100
400
> 400
03-50
1
/
8
- 2
0,25mm (±0.01
″
)
65 - 100
2½ - 4
± 0,1mm (±0.004
″
)
5.3 Connecting the rotary joint
Attention!
The rotary joints must never run dry since this may damage them. Exception: test
run for a maximum of 30 minutes a very low speeds.
Mount torque monitor or vibration pickup.
Connect the housing.
Route the hoses as shown in fig. 4.
Do not route the hoses as shown in fig. 5.
.
Note!
Observe the information in section 3!
Fig 9. Connecting the rotary joint
