Tightening Torques - Stihl 064 Service Manual

STIHL 064, 066
1.5

Tightening Torques

Fastener Thread size
Spline screw IS-M5x20
Spline screw IS-M5x20
Spline screw IS-M6x20
Spline screw IS-M5x12
Spline screw IS-M6x20
Spline screw IS-M5x6
Spline screw IS-M5x12
Spline screw IS-M5x20
Nut M8x1
Flange locknut VM 5
Spline screw IS-M4x16
M12x1 L
M14x1.25
Spline screw IS-6x19
Spline screw IS-6x19
Spline screw IS-5.8x19
Self-tapping screw B3.9x19
Spline screw IS-M5x12
Spline screw IS-M5x16
Spline screw IS-M5x12
Spline screw IS-M5x16
Spline screw IS-M5x12
Locknut M5
Pan head screw BM3x8
Pan head screw M3.5x12
Pan head screw M4x12
Spline screw IS-M4x12
Spline screw IS-M4x12
Spline screw IS-M5x18
Spline screw IS-M5x12
Starter post M8
Screw assy. IS-M5x30
Pan head screw M4x8
Collar stud M8
Remarks:
Screw must be secured with adhesive 0786 111 1101 (Loctite 242).
1)
Washer must be fitted under screw head. On front handle, fit washer under heads of side screws only.
2)
Screw must be secured with adhesive 0786 111 1117 (Loctite 648).
3)
Model 066 only.
4)
Note: Screws secured with adhesive are easier to release if the adhesive is heated first with a hot air blower
(hair dryer). Exercise caution on polymer components.
For component
Crankcase
Cylinder
Cylinder
Muffler to cylinder
Muffler to cylinder
Muffler upper casing (top)
Muffler upper casing (bottom)
Ignition module
Crankshaft (flywheel)
Carburetor
Shroud
Clutch carrier
Spark plug
Annular buffer (top)
Annular buffer (bottom)
Front handle
Handle molding
Annular buffer plate
Chain catcher
Spiked bumper (top)
Chain catcher pin
to spiked bumper
Rubber buffer to crankcase
Spiked bumper to sprocket cover
Guard in sprocket cover
Generator (heating)
Cover (chain tensioner)
Oil pump
Cover (chain brake)
Fan housing
Starter post in fan housing
Fan housing
Hand guard (left)
Inner side plate
Guide bar mounting
Torque
Nm (Ibf.ft)
9.0 (6.6)
12.0 (8.8)
15.0 (11.8)
10.0 (7.5)
15.0 (11.0)
11.0 (8.1)
8.0 (5.9)
9.0 (6.6)
33.0 (24.3)
3.5 (2.6)
3.0 (2.2)
50.0 (37.0)
25.0 (18.5)
3.5 (2.6)
7.0 (5.2)
7.0 (5.2)
1.0 (0.75)
9.0 (6.6)
7.0 (5.2)
7.0 (5.2)
6.0 (4.4)
3.5 (2.6)
8.0 (5.9)
1.0 (0.75)
2.0 (1.5)
3.5 (2.6)
3.0 (2.2)
2.0 (1.5)
3.5 (2.6)
6.0 (4.4)
6.0 (4.4)
7.0 (5.2)
3.0 (2.2)
15.0 (11.0)
7
Remarks
4)
1)2)
4)
1)2)
1)2)
1)2)
1)2)
2)3)
1)
1)
1)