Dynabrade 53077 Инструкции по эксплуатации, техническому обслуживанию и безопасности - Страница 3
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Печатать страницуDisassembly/Assembly Instructions - .3 Hp/Straight-Line/Rear Exhaust
Important: Manufacturer's warranty is void if tool is disassembled before warranty expires.
Notice: Dynabrade strongly recommends the use of their 52296 Repair Collar (sold separately) during assembly/disassembly activities. Failure to
use this collar will highly increase the risk of damage to the valve body of this tool. Please refer to parts breakdown for part identification.
New/Updated Parts - Effective Serial Number 7H2560
02696 Bearing Replaces 02650 Bearing.
02676 Rear Bearing Plate Replaces 01487 Rear Bearing Plate.
02679 Shield added.
Motor Disassembly:
1. Disconnect tool from power source. Remove drill chuck.
2. Secure air tool in vise using 52296 Repair Collar.
3. With an adjustable pin wrench, remove 53153 Planetary Housing by turning counter-clockwise.
4. Pull 50782 Adapter and first planetary carrier assembly from 53153 Planetary Housing.
5. Press planetary carrier assembly from rear 54520 Bearing. Remove ring gear and gears from 50787 Planetary Carrier.
6. Secure planetary carrier in vise and remove 50782 Adapter. Press carrier from front 54520 Bearing. Remove 50778 Spacer.
7. Remove second planetary gear assembly from 53152 Gear Case.
8. Press planetary carrier assembly from rear 54520 Bearing. Remove ring gear and gears from 50787 Planetary Carrier.
9. Press carrier from front 54520 Bearing.
10. Grab onto pinion and pull motor assembly from motor housing.
11. Press 50777 Rotor from 02676 Rear Bearing Plate. Press 02696 Rear Bearing from rear bearing plate, remove 02679 Shield.
12. Remove cylinder and rotor blades from rotor.
13. Secure rotor in vise and remove pinion from rotor by inserting a 3mm drift pin through hole in pinion and twist off (right hand threads).
14. Press pinion and rotor through 01007 Front Bearing and 53161 Front Bearing Plate.
Motor disassembly complete.
Valve Body Disassembly:
1. Position valve body in vise using 52296 Repair Collar with air inlet facing up.
2. Remove air fitting by securing 94523 Inlet Adapter with a wrench and twist air fitting from inlet adapter.
Important: 94523 Inlet Adapter must be secured before attempting to remove air fitting to avoid damaging valve body housing.
3. Remove 94523 Inlet Adapter.
4. Remove 95711 Retaining Ring from inlet adapter and separate 94521 Muffler Base from 94522 Muffler Cap. Remove sintered muffler and felt muffler.
5. Remove 01564 Air Control Ring from valve body. Using needle nose pliers, remove 01468 Spring, tip valve and seal.
6. Using a 2.5mm drift pin, tap 12132 Pin from housing and remove throttle lever.
7. Remove 95558 Retaining Ring. Push 01469 Regulator from valve body and remove O-rings.
Disassembly complete.
Motor Reassembly:
Important: Be sure parts are clean and in good repair before reassembly. Follow all grease, oil, and torque specifications.
1. Place 53161 Front Bearing Plate onto front end of 50777 Rotor (threaded end). Press 01007 Front Bearing onto rotor and front bearing plate.
2. Secure rotor in padded vise with threaded spindle facing up. Apply one drop of #271 Loctite® (or equivalent) to threads of rotor. Using a 3mm drift pin,
tighten pinion onto rotor (torque 17.0 N•m/150 in. - lbs.).
3. Apply one drop of #609 Loctite® (or equivalent) to outer race of 02696 Rear Bearing and slip bearing into bearing plate. Install 02679 Shield.
4. Install well lubricated blades into rotor slots. Dynabrade recommends using their 95842 Dynabrade Air Lube.
5. Install cylinder over rotor with air inlet hole in cylinder wall facing away from front bearing plate.
6. Press 02676 Rear Bearing plate on to rotor. Be sure that pin and air inlet hole in cylinder line up with air inlet hole and pin hole in bearing plate.
7. Install motor assembly into motor housing.
8. Press Front 54520 Bearing onto front end of first 50787 Planetary Carrier.
9. Install gears and 54472 Gear Shafts onto planetary carrier.
10. Slip 54468 Ring Gear over gears and press rear 54520 Bearing onto planetary carrier.
11. Press front 54520 Bearing onto front end of second 50787 Planetary Carrier.
12. Install 06213 Gears and 54472 Gear Shafts onto planetary carrier.
13. Slip 54468 Ring Gear over gears and press rear 54520 Bearing onto planetary carrier
14. Apply one drop of #271 Loctite® to threads of 50782 Adapter. Install adapter onto planetary carrier (torque 17.0 N•m/150 in. - lbs.).
15. Place 50778 Spacer onto pinion. Slip complete planetary carriers onto pinion in motor housing.
16. Install 53153 Planetary Housing onto housing to secure motor (torque 28 N•m/250 in. - lbs.). Install drill chuck onto adapter.
Motor Reassembly Complete.
Valve Body Reassembly:
1. Insert 01469 Regulator with O-rings and valve stem in place into valve body. Secure with 95558 Retaining Ring.
2. Secure valve body in vise using 52296 Repair Collar with air inlet facing upwards. Insert 01464 Seal.
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