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Air Cushioned Dead Head Assembly
Refer to Figures 10 and 11. The air-cushioned dead
head is for use on very small radius grinding. When
connected to a source of shop air (80-90 psi), the
belt rides on a cushion of air to decrease head and
belt wear. The dead head is easy to use, and adapts
to any of the available radius tips.
Figure 11: Air Cushioned Dead
Head Assembly Parts Breakdown
1
2
5
3
4
6
8
7
Ref. Part
No. Number Description Qty.
1 5044960 Air Cushion Dead Head 1
Assembly (Note 1)
2 5044970 Casting, Dead Head 1
3 5044991 Tip, Dead Head, 3/16 R x 2 1
5045011 Tip, Dead Head, 1/4 R x 2 1
5045031 Tip, Dead Head, 5/16 R x 2 1
5045051 Tip, Dead Head, 3/8 R x 2 1
4 5045071 Fitting, Flareless Com- 1
pression, 1/4 x 1/8
5 5044610 Contact Wheel Assembly 1
3 x 2
6 5045101 Spacer 1
7 9062441 Screw, Socket Head Cap 2
10-32 x 1/2
8 9049761 Screw, Socket Head Flare 1
Note 1: Includes 3/8 R x 2 dead head tip 5045051.
Other tips available at additional cost.
Install the dead head assembly as follows:
WARNING: DISCONNECT ELECTRICAL POWER
TO THE MACHINE BEFORE INSTALLING THE
DEAD HEAD ASSEMBLY.
1. Lower tension lever to release belt tension.
2. Loosen clamping screw and remove platen or
contact wheel.
3. Insert the shaft of the dead head assembly in
head casting. Position dead head assembly
with the tip parallel with the machine base.
Tighten the clamping screw.
4. Install the belt under the dead head contact
wheel and over the dead head tip.
5. Lift the tension lever to tighten the belt.
6. Check belt tracking.
7. Connect pressurized air supply (80-90 psi).
8. Check operation of the dead head assembly.
Figure 10: Internal Contouring
with Air Cushioned Dead Head