Dynabrade 51420 Manuale - Pagina 4

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Disassembly/Assembly Instructions (continued)
11. Orient the motor assembly so that the node of the 02676 Rear Bearing Plate will align with the notch inside the motor housing.
12. Install the motor assembly into the 50776 Motor Housing.
Motor Assembly Complete.
Planetary gear Case Assembly:
1. Use the 96239 Bearing Press Tool (position the raised inside diameter against the inside diameter of the bearing) and the 96232 Arbor Press to install the front 54552 Bearing
onto the female threaded end of the 50786 or 50787 Planetary Carrier.
2. Apply a small amount of Loctite #271 (or equivalent) to the male threads of the 50782 Adapter and install the adapter onto the planetary carrier. (Torque to 17 N•m.150 in.- lbs.)
3. Apply the 95542 Grease to the shafts, bearings and gears of the planetary carrier. Install these parts into the carrier.
4. Orient the 54468 Ring Gear on the planetary carrier so that the set screw and grease fitting notches will align properly with the openings in the 50776 Motor Housing
once it's installed.
5. Use the 96239 Bearing Press Tool (position the raised inside diameter against the inside diameter of the bearing) and the 96232 Arbor Press to install the rear bearing down
onto the carrier only until the 54552 Bearing comes in contact with the 54468 Ring Gear. This fit will establish a preload on the bearings producing a "snug fit" between the
bearings and the ring gear. If the fit is too tight it will cause the bearings to wear prematurely, if the fit is too loose the desired preload will not be achieved. If an adjustment is
required disassemble and repeat this step.
6. Install the 50778 Spacer with the flat side of the spacer against the 02649 Bearing of the motor assembly.
7. Slide the planetary gear assembly into the 50776 Motor Housing so that the set screw and grease fitting notches align with the corresponding openings in the motor housing.
8. Apply a small amount of the #567 Loctite (or equivalent) to the 50784 Set Screw and install it into the motor housing.
9. Apply a small amount of the #567 Loctite (or equivalent) to the threads of the motor housing and install the 50781 Rear Exhaust Cover. (Torque to 28 N•m.250 in.- lbs.)
10. Lubricate the planetary gear assembly with the 95542 Grease through the grease fitting. Use the 95541 Grease Gun and apply 2-3 plunges of grease for every 50 hours of use.
11. Install the disc pad.
Planetary Gear Case Assembly Complete.
Tool Assembly Complete. Please allow 30 minutes for adhesives to cure before operating tool.
Important: Motor should now be tested for proper operation at 90 PSIG. If motor does not operate properly or operates at a higher RPM than marked on the tool, the tool should
be serviced to correct the cause before use. Before operating, place 2-3 drops of Dynabrade Air Lube (P/N 95842) directly into air inlet with throttle lever depressed. Operate tool
for 30 seconds to determine if tool is operating properly and to allow lubricating oils to properly penetrate motor.
Throttle Lever Positioning Procedure:
1. Place the 52296 Repair Collar around the valve housing and secure it in a vise so that the 50776 Housing is pointing up.
2. Slip the 01558 Collar down onto the valve housing to expose the 01461 Lock Nut.
3. With a firm hold on the 50776 Housing, use a 34mm or an adjustable wrench to turn the 01461 Lock Nut counterclockwise to loosen the 50776 Housing from
the valve housing.
4. Orient the throttle lever to the operators desired grip and positioning. Note: Allow for additional rotation of the 50776 Housing as the 01461 Lock Nut is tightened.
5. With a firm hold on the 50776 Housing to reduce its rotation, use a 34mm or an adjustable wrench to tighten the 01461 Lock Nut. (Torque to 45 N•m/400 in.- lbs.)
Important: Carefully preform this procedure so as not to entirely separate the 50776 Housing from the valve housing. Loosen the 01461 Lock Nut only enough to make desired
throttle lever adjustment.
Loctite
is a registered trademark of Loctite Corp.
®
®
Dynaswivel
•
Swivels 360° AT TWO PIVOT POINTS allowing the air hose to
drop directly to the floor while providing superb tool handling.
94300 – 1/4" NPT.
52296 Repair Collar
•
Specially designed collar for use in vise to
prevent damage to valve body housing
during disassembly/assembly.
95542 Grease 10 oz.
•
Multi-purpose grease for all types of bearings, cams, gears.
•
High film strength; excellent resistance to water, steam, etc.
•
Workable range 0˚ F to 300˚ F.
95541 Push-type Grease Gun
•
One-hand operation.
Dynabrade Air Lube
•
Formulated for pneumatic equipment.
•
Absorbs up to 10% of its weight in water.
•
Prevents rust and formation of sludge.
•
Keeps pneumatic tools operating longer
with greater power and less down time.
95842: 1 pt. (473 ml)
95843: 1 gal. (3.8 L)
Visit Our Web Site: www.dynabrade.com
DYNABRADE, INC., 8989 Sheridan Drive • Clarence, NY 14031-1490 • Phone: (716) 631-0100 • Fax: 716-631-2073 • International Fax: 716-631-2524
DYNABRADE EUROPE S.àr.l.,
© DYNABRADE, INC., 2002
Optional Accessories
Zone Artisanale • L-5485 Wormeldange—Haut, Luxembourg • Telephone: 352 76 84 94 1 • Fax: 352 76 84 95 1
96174 Motor Tune-Up Kit
•
Includes assorted parts to help maintain
and repair motor.
50971 Lock Ring Wrench
•
Lock Ring Tool has a 3/8 in. square socket
for use with 3/8 in. drive; breaker bar,
ratchet head, or torque wrenches.
96346 Bearing Separator
•
Use the separator to remove gears
and bearings.
96210 & 96213 Bearing Removal Tool
•
This tool is designed to pass through the I.D.
of the bearing plate and push against the I.D.
of the bearing.
96216, 96239 & 96240 Bearing Press Tool
•
These tools are designed to safety press a
bearing into a bearing plate and onto a shaft.
96232 #2 Arbor Press
•
This arbor press is ideal
for the disassembly and
assembly of air motors.
®
DYNABRADE
PRINTED IN USA