Makita HM1810 Manual page 10

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -4. Disassembling/Assembling Barrel Section
DISASSEMBLING
1) Remove Stopper, Connecting rod (for balancer reciprocating) and Crank box. (See 1) to 5) of [3] -3.)
2) From Crank housing, separate Barrel then the assembly of Cylinder liner 62 and Balancer complete. (Fig. 30A)
Note: When replacing Barrel with new one, replace Plate (the guide for Balancer complete) at the same time.
When reusing two M5x16 Hex socket bolts, apply appropriate amount of adhesive to them. (Fig. 30B)
3) Take out Striker from Cylinder liner 62, then remove O ring 52 from Striker. (Fig. 30C)
4) Take out Piston and Connecting rod (for Piston reciprocating) from Crank housing complete, and remove O ring 52
and O ring 55 from the removed Piston. (Fig. 30D)
Fig. 30A
Balancer complete
Cylinder liner 62
Barrel Flat washer 63
Fig. 30C
Striker O ring 52
ASSEMBLING
Do the reverse of the disassembling steps.
Note:
Striker and Spacer are not reversible when assembled to Cylinder liner 62. Be sure to install as illustrated in Fig. 31.
Fig. 31
CORRECT
WRONG
Do not forget to put Flat washer 63 between Cylinder
liner 62 and Crank housing complete.
When assembling Barrel to Crank housing complete,
first fit Pin 5 in the hole on Barrel, and put the pin
through the hole of Gasket.
Then fit Barrel to Crank housing complete so that
Pin 5 is inserted into the hole on Crank housing
complete. (Fig. 32)
Piston
Spacer
Crank housing comp.
Fig. 30D
O ring 52 O ring 55
Spacer
Striker
[Cross section]
Fig. 30B
Barrel
Piston and Connecting Rod
Cylinder liner 62
Fig. 32
Barrel Gasket
Pin 5
P 10/ 20
Hex socket head
bolt M5x16
Plate
Crank housing complete