Dynabrade Dynorbital-Spirit 59044 Keselamatan, Pengoperasian Dan Pemeliharaan - Halaman 6
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Halaman Cetak
Drawing 1
57091
Bearing Press Tool
56052 Bearing
59084 V-Seal
Balancer Shaft
To Assemble (Continued):
6. Install the felt and the "Top Hat" Seal onto the motor shaft balancer so that they are centered as is shown in Drawing 2.
7. Use the small end of the 57091 Bearing Press Tool and the 96232 Arbor Press to install the 58368 Bearing onto the motor shaft balancer as
shown in Drawing 3.
8. Install the rotor key and the rotor onto the motor shaft balancer.
9. Lubricate the 56073 Vanes with the 95842 Dynabrade Air Lube (10W/NR or equivalent) and install them into the rotor.
10. Install the 59051 Cylinder so that the short line-up pin fits into the front bearing plate.
11. Install the 58368 Bearing into the 59077 Rear Bearing Plate.
12. Use the small end of the 57091 Bearing Press Tool and the arbor press to install the rear bearing/plate onto the motor shaft balancer as is shown in
Drawing 5. Press the bearing/plate down until it touches the cylinder. Check the fit between the bearing plates and cylinder. Grasp the outer diameter of
the bearing plates, one in each hand. Twist the plates back and forth. It is important to achieve a snug fit between the bearing plates and the cylinder. A
snug fit will trap the cylinder while still allowing it to be twisted back and forth. A loose fit will not achieve proper preload of the motor bearings.
13. Install the 01024 Seal into the cylinder and apply a small amount of the Dynabrade Air Lube onto the o-ring.
14. Slip 59058 Lock Ring over the counter weight of the 3/32" and the 3/16" orbit sanders.
15. Use mark on the edge of the motor opening to identify the location of the line-up notch on the inside of the housing.
16. Install the motor assembly into the housing. Be certain that the line-up pin enters the notch in the housing.
17. Use the 57092 Collar to carefully hold the tool in a vise so that the counter balance is pointing up.
18. Use the 56058 Lock Ring Tool to tighten the 59058 Lock Ring by turning it clockwise. (Torque to 23 N•m/300 in.- lbs.)
19. Use the 26mm open-end wrench to install a weight-mated back-up pad.
Valve and Speed Regulator Assemblies:
1. Secure housing in vice using 57092 Collar or padded jaws.
2. Remove inlet bushing, 01468 Spring, 58365 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) and 98459 O-Ring.
4. Place new 01025 O-Rings (2) on the speed regulator and a new 98459 O-Ring on the valve stem. Then place in housing with valve stem. Install new
95967 Snap Ring. Apply a small amount of pneumatic tool oil to valve o-rings.
5. Place new 01464 Seal in housing. Using tweezers or needle nose pliers, place the tip valve into housing so that the tip valve goes under the valve
stem. Place new 01468 Spring into housing so small end is towards tip valve.
6. Apply a small amount of #567 Loctite
7. Install lever and comfort platform on housing with 94590 Pin centered on housing.
Note: Motor should operate at between 11,000 and 12,000 RPM at 6.2 bar (90 PSIG). RPM should be checked with a 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 back-up 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" Models –– Use pad weighing 75g.
3-1/2" Models –– Use pad weighing 80g.
5" Models –– Use pad weighing 100g.
6" Models –– Use pad weighing 130g.
Diagrams
Drawing 2
59083 Felt Seal
59057 "Top Hat"
Seal
Motor Shaft
Balancer
Balancer
Shaft Assembly
®
(or equivalent) around the threads of the first inlet bushing and tighten into housing to 23 N•m/200 in.- lbs.
Drawing 3
57091 Bearing
Press Tool
Front Bearing
Motor Shaft
Balancer
Balancer
Shaft Assembly
Drawing 5
6
Drawing 4
57091 Bearing
Press Tool
Front Bearing
Plate
Motor Shaft
Balancer
Balancer
Shaft Assembly
57091
Bearing Press Tool
59077 Rear Bearing Plate
(with 58368 Bearing)
Line-Up Pin
59051 Cylinder Assembly
(w/Rotor and Vanes)
59076 Front Bearing Plate
(with 58368 Bearing)
Motor Shaft Balancer
Balancer Shaft Assembly