Makita EK7650H Technical Information page 3

R
epair
[3] LUBRICANT/ ADHESIVE APPLICATION
Apply the following grease/ oil to protect parts and product from unusual abrasion.
Note: After assembly, supply 220cc of 4-cycle engine oil from the inlet of machine before trial run.
When disassembling the engine, put ThreeBond 1215 to the matching surface of Crank case and Cylinder block. (Fig. 66)
Item No. Description
Retainer (2 pcs.)
109
Pin 5
112
Push rod (2 pcs.)
117
Exhaust valve
119
Intake valve
120
Cylinder block
123
complete
Cam lifter L
133
Cam lifter R
134
Oil seal 17
138
Crankshaft
140
complete
Oil seal L
185
Spiral spring
208
Fig. 1
123
133
134
Crankcase
Use for
Contact surface with 119 and 120
Contact surface with the holes of Cylinder head assembly
Contact surface with the holes of Rocker arm assembly
Contact surface with the inner periphery of Valve guide
Contact surface with Piston
• Contact surface with Push rod
• Contact surface with Cam gear complete
Inner periphery
• Steel balls in Ball bearings 6204LU and 6204
• Hole of Connection rod to pass Piston pin in Piston
• Needle cage in the other hole of Connection rod
Inner periphery
Entire surface
Cylinder block complete
(It consists of Cylinder block
and Crankcase)
140
Connecting
rod
138
Ball bearing
6204LU
109
112
Valve
guide
117
119
120
Cylinder block
Starter assembly
185
Ball bearing
6204
208
P 3/ 19
Lubricant Amount
4-cycle Engine oil
a little
(API grade SM class)
Makita grease N No. 2 a little
4-cycle Engine oil
a little
(API grade SM class)
Makita grease N No. 2 a little
Cylinder head
complete