Makita PM7651H Technical Information page 18

Fig. 6-7-1-4
[7] Remove O ring 93 from Elbow.
Elbow
Fig. 6-7-1-6
[9] Remove Frame holder from Volute case 2.
[10] Remove four M6x40 Hex socket head bolts, and
remove Impeller.
Volute case 2
M6x40 Hex socket
head bolt
(4 pcs.)
6-7-2 Assembling
Assemble by reversing the disassembly procedure.
The order of tightening screws is as follows:
M5x65 Pan head screw (2
Note: The other M5 Hex
O ring 93
Apply Makita grease
FA No.2.
Impeller
Frame
holder
Fig. 6-7-2-1
5x20 Tapping
(1)
screw (9 pcs.)
(10)
pcs.)
nut is in the back.
Elbow
18 / 41
[8] Remove 4x18 Tapping screw, and remove Pressure pipe
from Volute case 1.
Note: Be sure not to lose Flat washer 4.
4x18 Tapping screw
Flat Washer 4
[11] Remove six M6x30 Hex socket head bolts, and remove
Volute case 2 and Engine.
[12] Remove Base L and Base R from Volute case 2.
Volute case 2
Base L
M6x30 Hex
socket head bolt
(6 pcs.)
(3)
(2)
(9)
(11)
(4)
(5)
Fig. 6-7-1-5
Pressure pipe
Volute case 1
Fig. 6-7-1-7
Base R
Volute case 1
(8)
(7)
(6)
Engine