Makita DP4010 Repair 3 DISASSEMBLY/ASSEMBLY 3 -1. Drill Chuck, 3 -2. Gear Section, 1R139, Vise

P 3 / 8

Repair

[3]DISASSEMBLY/ASSEMBLY

[3]-1. Drill Chuck

DISASSEMBLING

1)Secure 1R139 firmly with Vise as illustrated in Fig. 2.

2)Fix Spindle on 1R139 by inserting Spindle into the U-shaped notch on 1R139 with the flat sides of the Spindle facing the edges of the notch. And then remove Drill chuck by turning it counterclockwise with 1R223, 1R224 and 1R298. (Fig. 3)

Use Pipe wrench to remove the Drill chuck, if the sleeve of Drill chuck does not turn because of some troubles with Drill chuck. Grip the periphery of the sleeve with wrench, and turn wrench counterclockwise.

The keyed Drill chuck of DP4010 can be removed using a Wrench 43 (781024-2).

ASSEMBLING

When fastening the Drill chuck to the Spindle, set the torque of 1R223 to 35.7 to 45.9 N.m.

Fig. 2

1R139		17.0mm (11/16")
UT2201 HP2031		6300L
6310	8420V	6300LR
DP4700	8406C	6013BR
	8406	4-6300
8419B
	Vise
[3] -2. Gear Section

Fig. 3

1R223 1R298 1R139

Fastening

Loosening

1R224 Vise

DISASSEMBLING

1)Remove three 4x35 Tapping screws, and Separate Gear housing from Gear housing cover complete. (Fig. 4)

2)Remove Ball bearing 608ZZ from Spindle with 1R269 (Fig. 5) and pull out Gear complete with Ball bearing 606ZZ. (Fig. 6)

Note: Gear complete with Ball bearing 606ZZ can not be pulled out without removing Ball bearing 608ZZ in advance.

3)After removing Lock plate, pull off Change lever B. (Fig. 7)

4)Remove Spur gear 29-37 from Spindle. Change plate B, Rack 12 and Pin 4 can be removed. (Fig. 8).

Fig. 4 Fig. 5

4x35 Tapping screw: 3 pcs.

Gear housing

Gear housing cover complete

1R269

Ball bearing 608ZZ

Spindle

Gear complete with Ball bearing 606ZZ

(A part of Gear complete is caught on Ball bearing 608ZZ.)

Fig. 6

Gear complete with

Ball bearing 606ZZ

Note: Do not disassemble

the Gear complete,

because it has torque

limiter function and

requires difficult

adjustment when reassembled.

Fig. 7

Lock plate

Change lever B

Fig. 8

Spindle

Spur gear 29-37

Change plate B

Rack 12

Pin 4