Makita EK7650H Brush Cutter User Manual


 
Hood section
V belt 5-800
Cutting device
[4] DISASSEMBLY/ASSEMBLY
[4]-1. V-belt 5-800, Cutting device
Repair
P 4/ 19
(1) Loosen two M8 Hex nuts slightly with Wrench 13-16 of a standard accessory. (Fig. 2)
(2) Release the tension on V-belt 5-800 by turning M6 Tensioning screw counterclockwise with Screwdriver.
The position of M6 square nut shows the tension level; as it comes close to the minus mark, the belt tension is
relieved. (Fig. 2)
(3) When Water supply set is on the machine, remove it. (Fig. 3)
Holder (Fig. 2) can be removed from Belt cover by turning clockwise/ counterclockwise to 90° .
(4) Remove two M8 Hex nuts, then separate Belt cover and Hood section from the machine. (Fig. 4)
(5) When Hood section is disassembled:
1. Face the blade installation side of Spindle toward the ram of Arbor press.
2. Press Spindle out of Cutting device. Ball bearing 6203LLU is removed together with Spindle. (Fig. 5)
(6) Remove Retaining ring R-40 from Cutting device with 1R291, and then press the other 6203LLU out of
Cutting device. (Fig. 6)
Fig. 2 Fig. 3
Fig. 5
Fig. 6
Fig. 4
M8 Hex nut (2 pcs.)Minus mark
M8 Hex nut
(2 pcs.)
M6 Square nut
Cutting device
Note: Another Ball bearing 6203LLU
and Retaining ring R-40 are left
in Cutting device as drawn
in Fig. 6.
Cutting device viewed
from Belt cover side
Arbor press
Spindle
One of Ball bearing 6203LLU
Ball bearing
6203LLU
Retaining ring R-40
M6 Tension screw
Belt cover
Belt cover
Water supply set
DISASSEMBLING
Holder