Makita CC300D Technical Information page 8

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3]-5. Helical gear 28, Ball bearing 6900DDW (cont.)
ASSEMBLING
(1) Assemble Bearing retainer 14-23, Ball bearing 6900DDW, Spindle and Helical gear 28. (Fig. 15)
Fig. 15
1. Put Ball bearing 6900DDW into
Bearing box, then fix Bearing
retainer 14-23 by turning it
clockwise with 1R361.
Bearing retainer 14-23
Ball bearing
6900DDW
(2) Mount Bearing box section to Housing (R) by fixing with M5x16 (+) Countersunk head screws. (Fig. 12)
Note: Two M5x16 (+) Countersunk head screws are with threadlocker. Therefore, when re-using them,
apply ThreeBond 1342 or Loctite 242 to the threads.
[3]-6. DC motor
DISASSEMBLING
(1) Remove Motor housing after
disassembling of Handle (L).
(Fig. 7)
(2) Remove DC motor from Motor
housing. (Fig. 16)
ASSEMBLING
Take the reverse step of Disassembling.
[3]-7. Water supply tank
DISASSEMBLING
Disassemble removed Water supply
tank section. (Fig. 5, 17)
ASSEMBLING
Take the reverse step of Disassembling.
2. Insert Spindle into Bearing
box by pressing with Arbor
press and put O ring 26.
Spindle
O ring 26
Fig. 16
Unscrew four 4x18 Tapping
screws, then disassemble
Motor housing (R).
DC motor can be now replaced.
4x18 Tapping
screw (4pcs)
Fig. 17
1. Tank holder set
1. Disassemble Tank
holder set.
2. Disassemble Water
supply cock set.
3. Disassemble Water
supply tank set.
2. Water supply cock set
Nozzle
3. Water supply tank set
Vinyl tube 5
Water supply
cock complete
3. Mount Helical gear 28 on Spindle
of Gear box using 1R027 with
Arbor press.
1R027
Helical
gear 28
Set Helical
gear 28 to
this position.
DC Motor
Motor
housing (R)
M4x20
Pan head screw
Band B
Tank holder
M4x20
Pan head screw
Rubber
washer 12
Cap A
Water supply tank
P 8/ 10
O ring 50
Cap B