Makita BHR202 Power Hammer User Manual


 
[[3] DISASSEMBLY/ASSEMBLY
[3] -8. Swash Bearing Section (cont.)
Repair
ASSEMBLING
P 11 / 13
4) Move Piston cylinder to the rear dead center position. (Fig. 42)
5) Insert the pole of Swash bearing 10 into the hole of Piston joint as illustrated in Fig. 43.
6) Insert Ring 8 (the end of Swash bearing section) into Inner housing complete. (Fig. 44)
7) Fitting the tip of Change plate in the groove on Clutch cam, insert Change plate over the pins of Inner housing complete.
(Fig. 45)
Note: Ball bearing 608ZZ of Swash bearing section is not yet inserted into Inner housing complete in this step.
Fig. 44
Fig. 45
Fig. 42 Fig. 43
Piston cylinder at
rear dead center
position
Front Rear
Piston cylinder
Tilt Swash bearing 10 to insert the pole.
hole of Piston joint
tip of Clutch cam
Swash bearing section Ring 8
Clutch cam
groove
Inner housing complete pins of Inner housing complete
Ball bearing
608ZZ
Change plate
Piston joint
hole for the pole of
Swash bearing 10
Flat
washer 12
Flat
washer 12
Fig. 40 Fig. 41
2) Assemble Piston joint and two Flat washers 12 to Piston cylinder as illustrated in Fig. 40.
Note: Do not forget to apply Makita grease R No.00. Refer to Fig. 2.
3) Insert Piston cylinder into Inner housing complete. (Fig. 41).
Flat washer 12
Flat washer 12
Piston jointPiston cylinder
Inner housing
Correct Wrong
pole of Swash
bearing 10
Ring 8
Ball bearing 608ZZ
M4x12 Hex socket head bolt ( 2 pcs.)
(with threadlocker coated)
Note: If reusing M4x12 hex.
socket head bolts, be sure
to apply ThreeBond 1321B
or 1342, or Loctite 242
to the threads before
fastening.
Stop ring E-4
Upper pin of
Inner housing complete
Flat washer 5 Compression spring 5
8) Insert Ball bearing 608ZZ of Swash bearing section into Inner housing complete, and fasten Swash bearing section to
Inner housing complete with two M4x12 hex socket head bolts. Then, put Compression spring 6 and Flat washer 5
through the upper pin of Inner housing complete, and secure them with Stop ring E-4 (Fig. 46)
Fig. 46
Ball bearing 608ZZ Ring 8