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R

epair

[3] DISASSEMBLY/ASSEMBLY

[3]-1. Armature

Fig. 2

DISASSEMBLING

ASSEMBLING

Water pump pliers

Armature

1R269

Ball bearing 608LLB

1. Remove Carbon brushes.

Disassemble Armature as drawn in 

Fig. 2

.

2. Remove four 5x40 Tapping screws, and then

    separate Gear housing from Motor housing. 

    Armature is removed with Gear housing.

3. Pull out Armature 

    from Gear housing.

1R269

Assemble Armature by reversing the disassembly procedure.   Refer to 

Fig. 2

.

Insulation washer

Ball bearing 

608LLB

4. Remove Ball bearing 608LLB on 

    the drive end of Armature with 1R269.

5. Gap between the other Ball bearing 608LLB and Insulation

    washer is very tight.

     So, while gripping the hooks of 1R269 with a water pump

     pliers, remove Ball bearing 608LLB from the commutator

     end of Armature as drawn below.

Carbon brush

Armature

Insert 

the hooks of 1R269

 into the gap between Ball bearing 608LLB

and Insulation washer, and hold the hooks with a water pump pliers.

Summary of Contents for DS4012

Page 1: ...mance of model DS4012 is equivalent to the current model DS4011 Keyed 0 600 1 2 0m 6 6ft for Australia Brazil 2 With Top grip Dimensions mm Width W Height H 83 3 1 4 390 15 3 8 Length L 340 13 3 8 Out...

Page 2: ...s Hex bar 10 with square socket Bearing retainer wrench Wrench 43 holding spindle when removing Drill chuck assembling Drill chuck to Spindle removing Ball bearing 608LLB 626LLB disassembling assembli...

Page 3: ...R269 Assemble Armature by reversing the disassembly procedure Refer to Fig 2 Insulation washer Ball bearing 608LLB 4 Remove Ball bearing 608LLB on the drive end of Armature with 1R269 5 Gap between th...

Page 4: ...Flat head screw clockwise with Cordless impact driver 3 Hold the short leg of Hex wrench 10 to Drill chuck And join steel pipe to long leg of Hex wrench 10 as an extension handle And turn Hex wrench...

Page 5: ...1 Assemble Drill chuck to Spindle by hand until it stops Then fasten 1R298 to Drill chuck 2 Hold 1R139 in Vise and fit the flats of Spindle into the groove of 1R139 3 Preset fastening torque of 1R223...

Page 6: ...d Fiber washer 6 from Gear complete 7 41 3 Hold Gear housing complete in Vise and set 1R340 to Bearing retainer 22 36 And remove Bearing retainer 22 36 by turning 1R340 clockwise 5 Remove Spindle sect...

Page 7: ...of Gear complete 7 41 into Ball bearing 626LLB again 3 Ball bearing 626LLB is removed together with Gear complete 2 Tilt the inserted Gear complete 7 41 and tap the edge of Gear housing complete with...

Page 8: ...1R035 1R029 Spindle Key 5 Ring 15 1R340 5 Hold Gear housing complete in a vise Then turn Bearing retainer 22 36 counterclockwise with 1R340 Bearing retainer 22 36 Key 5 Notch of Spur gear 47 1R291 Ret...

Page 9: ...Leaf springs to Handle L as drawn in Fig 9 Face the curve tops toward notches of Motor housing Projections Projections Note Be careful not to fall Leaf springs in Handle L notch Fit the projections of...

Page 10: ...AWG18 AWG18 AWG18 AWG20 AWG20 AWG American wire gauge AWG18 AWG18 AWG18 When you connect Noise suppressor and Field lead wires with Switch solder the stripped wires in advance then clamp the soldering...

Page 11: ...wire orange to Terminal No 3 of Switch and Lead wire purple to Terminal No 4 of Switch See Fig D 1 of page 10 Line filter to terminal No 4 to terminal No 3 Motor housing Pass Field lead wires through...

Page 12: ...e suppressor to Handle L as drawn in below left Fig D 3 Inner wall Line filter Put Field lead wires between Boss and Round wall Note Be careful not to put their wires on Rib A Put Line filter to the p...

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