Makita EM2650UH, Technical Information

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R
epair
[4] DISASSEMBLY/ASSEMBLY
[4]-14. Engine block (cont.)
(6) Adjust the valve clearance as follows:
• Align the marking on Flywheel with the marking on Ignition coil. ( Fig. 62 )
• Align the marking on Cam gear assembly with the marking on Cylinder block. ( Fig. 63 )
• Assemble two Cam lifters and two Rod 2.5, and then assemble two Rocker arm assembly to them.
Note : The ends of Rod 2.5 have to be put into the round depressions of Cum lifter and Rocker arm.
• Loosen the adjust screws of Rocker arm assembly, and put 0.1mm thickness gauge of 1R366 between valves
and Rocker arms.
Then adjust the valve clearance. ( Fig. 64 )
• After the adjustment, tighten the nuts of Rocker arm assembly, remove 0.1mm thickness gauge of 1R366.
Fig. 62
Fig. 65
P 1 4 / 1 4
Fig. 63 Fig. 64
ASSEMBLING
Marking on Ignition coil
Marking
on
Flywheel
Marking on
Cam gear assembly
Marking on
Cylinder block
1R366
1R170
HEX SOCKET HEAD BOLT （ M5×16)
HEX SOCKET HEAD BOLT (M4×10)
HEX SOCKET HEAD BOLT
（ M5×16)
FLANGE NUT (M8)
HEX SOCKET HEAD BOLT (M4×20,W,SW,MEC)
HEX SOCKET HEAD BOLT
（ M5×16)
NUT (M5)
HEX SOCKET HEAD BOLT
（
M5×16)
CLUTCH BOLT (M6×25)
HEX SOCKET HEAD BOLT
（ M5×40,W,MEC)
M10×P1.0
HEX SOCKET HEAD BOLT (M5×18,W,SW)
HEX SOCKET HEAD BOLT(M5×18,W,SW)
M8
HEX SOCKET HEAD BOLT (M5×16,W,SW)
HEX SOCKET HEAD BOLT (M5×14,W,SW)
HEX SOCKET HEAD BOLT (M5×14,W,SW)
HEX SOCKET HEAD BOLT (M5×25,SW)
HEX SOCKET HEAD BOLT (M5×14,SW)
HEX SOCKET HEAD BOLT (M5×30,SW)
SCREW PAN HEAD (M5×20)
HEX SOCKET HEAD BOLT (M5×12,SW)
NUT (M6)
CYLINDER BLOCK and CRANK CASE
CRANK CASE and RETAINER PLATE
CRANK CASE and OIL CASE
FLYWHEEL and CRANK SHAFT 1
COIL and CYLINDER BLOCK
CAM GEAR COVER and CYLINDER BLOCK
ROCKER ARM ADJUSTING SCREW and NUT
ROCKER COVER OUTER and CYLINDER BLOCK
CLUTCH and FLYWHEEL
MUFFLER and CYLINDER BLOCK
SPARK PLUG and CYLINDER BLOCK
INSULATOR and CYLINDER BLOCK
CLUTCH CASE and CYLINDER, CRANK CASE
PULLEY and CRANK SHAFT 2
RECOIL STARTER and CYLINDER, CRANK CASE
MUFFLER PLATE and CRANK CASE
OIL PIPE and OIL CASE
CASE, GEAR ASSEMBLY and PIPE SHAFT
CASE, GEAR ASSEMBLY and PIPE SHAFT
HANDLE HOLDER 2, 3 and PIPE SHAFT
CONTROL LEVER and HANDLE
BRACKET PIPE and SHAFT PIPE COMPLETE
CONTROL CABLE and INSULATOR 6.0
3.0
6.0
16.0
4.0
6.0
6.0
6.0
9.0
8.0
11.0
5.0
5.0
6.0
5.0
5.0
5.0
7.0
7.0
6.0
3.0
6.0
2.0
Fastening torque (N ･ m) Screw/ Nut Parts to fasten
[4]-15. Fastening torque