Makita DGA504 Technical Information

DISASSEMBLING
Repair
P 3/ 14
(1) Remove Gear housing cover with Rotor section from Motor housing. (Figs. 2, 3 and 4)
(2) Disassemble Rotor section. (Fig. 5)
Remove four 4x30 Tapping screws.
Fig. 2
4x30 Tapping
screw (4 pcs.)
4x30 Tapping screw (4 pcs.)
Gear housing
Gear housing
Bearing box
Bearing boxGear housing cover
Fig. 5
Fig. 3
[3] DISASSEMBLY/ASSEMBLY
[3]-1. Rotor, Ball bearing 629LLB/ 607LLB, Spiral bevel gear 10
Remove the assembled part of Gear housing and Bearing box
from Gear housing cover.
While holding Rotor by a gloved
hand, turn M6 Hex nut counter-
clockwise with a Wrench 10.
Wrench 10
M6 Hex nut
Rotor
Rotor
Gear housing cover
Spiral bevel gear 10
M6 Hex nut
Fig. 4
Thin slotted screwdriver
(First, turn it carefully to enlarge the gap
between Gear housing cover and Motor housing,
then pry off Gear housing cover with Rotor section.)
Groove to insert a thin slotted screwdriver
Insert a thin slotted screwdriver into the groove of Gear housing cover, and
remove Gear housing cover from Motor housing.
Gear housing cover
Motor housing

Makita DGA504 Specifications

General

Voltage	18V
Wheel Diameter	125 mm
No Load Speed	8500 RPM
Battery Type	Lithium-Ion
Spindle Thread	M14 x 2
Cable Length	N/A (Cordless)
Arbor Size	22.23 mm (7/8")
Length	362 mm (14-1/4")