Makita UC4503A, UC4003A, UC3503A, UC3003A specifications Repair 3 Disassembling Gear Housing cont

Models: UC3003A UC3503A UC4003A UC4503A

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 Repair

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<4 > Replacement of Straight Bevel Gear 43 and Oil Pump Complete Repair

< 3 > Disassembling Gear Housing (cont.)

3.Remove four 5x25 tapping screws and two 5x55 tapping screws as illustrated in Fig. 6.

Removal of the screws will release tubular handle from gear housing.

4.Remove tubular handle from the bottom side of gear housing L as illustrated to left in Fig. 7.

5.Remove gear housing R from gear housing L as illustrated to right in Fig. 7.

Fig. 7

Fig. 6

Tubular handle

Tapping screw 5x25

Manual backgroundManual background Tapping screw 5x55

Tubular handle

Oil tank

Gear housing L

Gear housing R

Gear housing L

<4 > Replacement of Straight Bevel Gear 43 and Oil Pump Complete

1.Remove gear housing R from gear housing L as described in "<3> Disassembling Gear Housing". (Fig. 5, 6, 7)

2.Remove ball bearing 608ZZ using Bearing extractor (No.1R269) (Fig. 8)

3.Remove safety washer from spindle. And now straight bevel gear 43 can be removed from spindle. (Fig. 8)

Note: Before installing a brand-new straight bevel gear 43, be sure to apply 3g of Makita grease N No.1 to its gear teeth.

Fig. 8

[Gear housing viewed from the position A]

A

Straight bevel gear 43

Safety washer

Ball Bearing 608ZZ

Bearing extractor

(No.1R269)

(to be continued to next page)

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Makita UC4503A Repair 3 Disassembling Gear Housing cont, Replacement of Straight Bevel Gear 43 and Oil Pump Complete