6
6.
Place the
56047
Rotor Key and rotor on the motor shaft balancer. Place the vanes into the rotor slots.
Note:
Vanes should be lightly
lubricated with Dynabrade Air Lube P/N
95842
(or equivalent) before installation.
7.
Place
57058
Cylinder Assembly over rotor. The “short” line-up pin goes toward the front plate.
8.
Place
57056
Rear Bearing Plate (with
01206
Rear Bearing pressed into place) over shaft and “long” end of line-up pin and press fit in place as
shown in
Drawing 5
.
9.
Place
95626
Snap Ring in groove.
10.
Place
57054
Rear Ring over the rear plate and line-up pin. Turn the motor over and place
57055
Front Ring over the front plate making sure that the
“legs and fingers” on the front and rear rings line-up. Also the small cut-outs on both rings should line-up with each other.
11.
Place
95973
Washer and
57059
Lock Ring onto the front ring with 1 drop of pneumatic tool oil spread between the
washer and lock ring.
12.
Secure motor housing in vise, using
57092
Collar or padded jaws. Spread 2-3 drops of pneumatic tool oil around the housing bore for ease of insertion
of motor assembly. Slide motor assembly into secured housing.
Note:
Be certain line-up pin enters the pocket in the bottom of the housing and the
“legs” of the rings stay in line.
13.
Tighten lock ring with
56058
Lock Ring Tool to 28 N•m/250 in. - lbs. Attach shroud or overskirt and weight-mated sanding pad.
Tool Assembly Complete. Please allow 30 minutes for adhesives to cure before operating tool.
Valve and Speed Regulator Assemblies:
1.
Secure housing in vice using
57092
Collar or padded jaws.
2.
Remove
01494
Inlet Bushing,
01468
Spring,
01472
Tip Valve and
01464
Seal from housing. Remove
94590
Pin from housing, lever and
comfort platform.
3.
Remove
95697
Snap Ring. Press the speed regulator and valve stem out of the housing. Remove the
01025
O-Rings (2).
4.
Place new
01025
O-Rings (2) on the speed regulator and place in housing with valve stem. Install new
95967
Snap Ring.
5.
Place new
01464
Seal in housing. Using tweezers or needle nose pliers, place the tip valve into housing so that the pin goes through the valve stem
hole. Place new
01468
Spring into housing so small end is towards tip valve.
6.
Spread small amount of #567 Loctite
®
(or equivalent) around the threads of the
01494
Inlet Bushing and tighten into housing to 23 N•m/200 in. - lbs.
7.
Install lever and comfort platform on housing with
94590
Pin centered on housing.
Note:
Motor should operate at between 11,500 and 12,000 RPM at 6.2 bar (90 PSIG). RPM should be checked with a reed tachometer. Before operating, we
recommend that 2-3 drops of Dynabrade Air Lube P/N
95842
(or equivalent) be placed directly into the air inlet with throttle lever depressed. Operate the
machine for approximately 30 seconds before application to workpiece to determine if machine is working properly and safely and to allow lubricating
oils to properly dispense through machine.
Loctite
®
is a registered trademark of the Loctite Corp.
Disc Pad Change:
1.
Insert
50679
Wrench on flats of
57069
Balancer Shaft and twist off sanding pad by hand.
2.
With wrench still in place, hand tighten new pad on tool.
3.
No need to remove shroud or overskirt.
Required Weight of Pads:
3-1/2" Models –– Use pad weighing 80g.
5" Models –– Use pad weighing 100g.
6" Models –– Use pad weighing 130g.
57091
Bearing Press Tool
Balancer Shaft Assembly
Motor Shaft Balancer
57088
Bearing
57057
Front Bearing Plate
Drawing 4
57091
Bearing Press Tool
Balancer Shaft Assembly
Motor Shaft Balancer
57057
Front Bearing Plate
(with
57088
Bearing)
57056
Rear Bearing Plate
(with
01206
Bearing)
57058
Cylinder Assembly
(w/Rotor and Vanes)
Line-Up Pin
Drawing 5
Motor Assembly/Disassembly Instructions – Dynorbital
®
Supreme (Cont.)
Balancer Shaft Assembly
Motor Shaft Balancer
57088
Bearing
57091
Bearing Press Tool
Drawing 3
Special Note: For All 3/8" Orbit Models
The
57059
Lock Ring,
95973
Washer and
57055
Front Ring must be placed over the Motor Shaft Balancer before the
57057
Front Bearing Plate
is pressed on.
