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Disassembly Instructions - 0.4 hp, Dynafile II Slow Speed

Model:

40381

Notice:

Use these instructions along with tool manual. See also, Dynafile II, 0.4 hp

Motor, found under Repair Tutorials on the Dynabrade website.

Important:

Shut off air supply and depress throttle lever to deplete air.
Disconnect tool from air supply hose.
Use 3 mm hex key to loosen

95311

Screw and remove motor from belt housing.

Use a small adjustable wrench to hold

40358

Adapter stationary. By hand remove

40375

Drive Wheel. Turn counterclockwise.

Motor Disassembly:

Planetary Gear Disassembly:

Use

96461

Repair Collar to hold housing in a vise with

40358

Adapter pointing up.

96461 Repair Collar

Содержание 40381

Страница 1: ...air supply and depress throttle lever to deplete air Disconnect tool from air supply hose Use 3 mm hex key to loosen 95311 Screw and remove motor from belt housing Use a small adjustable wrench to hold 40358 Adapter stationary By hand remove 40375 Drive Wheel Turn counterclockwise Motor Disassembly Planetary Gear Disassembly 1 Use 96461 Repair Collar to hold housing in a vise with 40358 Adapter po...

Страница 2: ...2 Use 50971 Lock Ring Tool to remove 40359 Exhaust Cover Turn counterclockwise Use a 2 mm hex key to remove 50784 Set Screw Remove planetary gear assembly ...

Страница 3: ...3 Fasten 96346 Bearing Separator between bearing and ring gear Face flat side of separator toward ring gear and bevel side toward bearing Flat side of 96346 Separator toward ring gear ...

Страница 4: ...4 Use a 5 16 flat end drive punch as a press tool and 96232 Arbor Press to push the planetary carrier out of the 54552 Bearing 5 16 flat end Drive Punch and 96232 Arbor Press ...

Страница 5: ...5 Remove the ring gear To remove shafts and planet gears gently tap the carrier on a hard surface The shafts and gears will fall out ...

Страница 6: ...6 With planetary carrier pointing up carefully fasten 40358 Adapter in vise with aluminum or bronze jaws Insert a screwdriver through carrier and turn counterclockwise to remove adapter ...

Страница 7: ...bor press and 5 16 flat end drive punch as a press tool to push the planetary carrier out of the remaining 54552 Bearing Planetary gear disassembly completed Important Clean and inspect parts before assembling ...

Страница 8: ...Motor Disassembly 1 Pull motor from housing ...

Страница 9: ...2 Remove 02679 Shield from 02696 Bearing ...

Страница 10: ...aring Separator 2 around 01476 Cylinder Place bearing separator and motor in 96232 Arbor Press 2 with pinion pointing down Use a Ø 3 16 or 4 mm flat end drive punch to push rotor out of bearing Remove cylinder and vanes ...

Страница 11: ...4 By hand use Ø 3 16 or 4 mm flat end drive punch to push 02696 Bearing slip fit out of 02673 Rear Plate ...

Страница 12: ...5 With pinion gear pointing up use arbor press to push rotor out of 02649 Bearing ...

Страница 13: ...6 Remove 02649 Bearing front plate shims and 01479 Spacer Motor disassembly completed Important Clean and inspect parts before assembling ...

Страница 14: ... Slow Speed Motor Assembly 1 Install 01479 Spacer onto rotor Select 003 0 08 mm shim thickness from 54529 Shim Pack Install shims into front plate Install 02649 Bearing into front plate 01478 Front Plate 01479 Spacer 02649 Bearing 54553 Rotor ...

Страница 15: ...2 Use arbor press and RAISED INSIDE DIAMETER of the 96240 Bearing Press Tool to install 02649 Bearing with bearing plate onto rotor ...

Страница 16: ... the amount of clearance between rotor and front plate Use a 001 0 03 mm thick feeler gauge Notice The clearance should be 001 0015 0 03 0 04 mm If rotor plate clearance needs adjustment repeat steps 1 and 2 Remove or add shims as required 001 0015 0 03 0 04 mm ...

Страница 17: ...4 Oil vanes with 95842 Dynabrade Air Lube 10W NR or equivalent and install Oil ...

Страница 18: ...5 Install 01476 Cylinder and 02673 Rear Plate so that air inlet openings line up ...

Страница 19: ... Tool and arbor press to install 02696 Bearing and rear plate Important Press bearing and plate down until the rear plate just touches the cylinder This will produce a close fit between the bearing plates and cylinder 96242 Bearing Press Tool Just Touch ...

Страница 20: ...ean grease on shield of 02696 Bearing Stick 02679 Shield against bearing Notice The 02673 Rear Plate channels the inlet air It is not necessary to line up motor air inlet with housing air inlet 02679 Shield CLEAN GREASE AIR INLET ...

Страница 21: ...8 Install motor into housing Install 50778 Spacer with flat side toward motor and beveled side facing up BEVELED SIDE UP 50778 SPACER ...

Страница 22: ...ary Gear Assembly 1 Use the RAISED INSIDE DIAMETER of the 96239 Bearing Press Tool and the arbor press to install the 54552 Bearing onto the front of the planetary carrier THREAD AT FRONT OF CARRIER PRESS RAM ...

Страница 23: ...2 Apply a small amount of Loctite 271 or equivalent to the adapter thread Loctite 271 ...

Страница 24: ...3 Carefully hold planetary carrier in vise with aluminum or bronze jaws and install the adapter onto carrier T to 17 N m 150 lbs in T to 17 N m 150 lbs in ...

Страница 25: ...4 Apply 95542 Grease or equivalent to the needle bearings in the planet gears Install gears and 54472 Shafts into carrier ...

Страница 26: ...5 Install 54468 Ring Gear so that openings line up with the lubricant and set screw holes in housing ...

Страница 27: ...ess Tool and the arbor press to install 54552 Bearing onto planetary carrier IMPORTANT Carefully press bearing to just touch the ring gear This will produce a close fit between the bearings and ring gear 96239 BEARING PRESS TOOL PRESS RAM JUST TOUCH ...

Страница 28: ...7 Install planetary gear assembly into housing Apply Loctite 567 or equivalent to the 50784 Set Screw and install Planetary gear assembly completed Loctite 567 ...

Страница 29: ...8 Apply a small amount of Loctite 567 to threads of housing Loctite 567 ...

Страница 30: ...ponents muffler and belt housing assembly see exploded view found in tool manual 1 Important Without an accessory installed check spindle speed of tool with max 90 PSIG or 6 2 Bar operating air pressure at air inlet of tool Use a tachometer to check RPM Notice Unless otherwise stated the no load speed should not exceed the maximum rated speed Install drive wheel and install motor into belt housing...

Страница 31: ... Set 1 Use 96461 Repair Collar to fasten 7 Off Set Housing in a vise with with motor spindle pointing down 2 Pull 01558 Collar back onto throttle body housing Use 96460 Wrench to loosen throttle body lock nut from 7 Off Set Housing Turn clockwise Left Hand Thread ...

Страница 32: ... and valve components see exploded view in tool manual Throttle Body valve and muffler disassembly completed Assembly Instructions Throttle Body Valve and Muffler 7 Off Set 1 To assemble valve and muffler components see exploded view in tool manual 2 Install air control ring onto 94523 Inlet Adapter Apply a small amount of Loctite 567 to male thread of inlet adapter By hand install muffler assembl...

Страница 33: ... Use 96393 Throttle Body Socket and torque wrench to throttle body onto muffler assembly Turn clockwise Torque to 28 N m 250 in lbs 4 Apply a small amount of clean grease to 95523 O Ring and install it onto the throttle body T to 28 N m 250 in lbs Apply Clean Grease ...

Страница 34: ...throttle body onto Notice Hold throttle lever in the desired position Use 96460 Wrench and a torque wrench to fasten throttle body assembly onto the 7 Off Set housing Turn counterclockwise Left Hand Thread Torque to 45 N m 400 in Lbs Throttle Body valve and muffler assembly completed Loctite 567 T to 45 N m 400 in Lbs ...

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