Maintenance; Tightening Torque - Panasonic EY7542 Operating Instructions Manual

[Information on Disposal in other Countries outside the European
Union]
These symbols are only valid in the European Union. If you wish to discard these
items, please contact your local authorities or dealer and ask for the correct method
of disposal.
Note for the battery symbol (bottom two symbol examples):
This symbol might be used in combination with a chemical symbol. In this case it
complies with the requirement set by the Directive for the chemical involved.
V

. MAINTENANCE

Use only a dry, soft cloth for wiping the unit. Do not use a damp cloth, thinner, ben-
zine, or other volatile solvents for cleaning.
VI

. TIGHTENING TORQUE

The power required for tightening a bolt will vary, according to bolt material and size,
as well as the material being bolted. Choose the length of tightening time accord-
ingly.
Reference values are provided below.
(They may vary according to tightening conditions.)
Factors Affecting Tightening Torque
The tightening torque is affected by a wide variety of factors including the follow-
ings. After tightening, always check the torque with a torque wrench.
1) Voltage
When the battery pack becomes nearly discharged, the voltage decreases and the
tightening torque drops.
M8, M10 x 35mm. M1 x 45mm
N ⋅ m
(kgf-cm)
150
100
50
M6
0.0 0.5
Tightening time (Sec.)
Bolt Tightening Conditions
High tensile bolt
(Bolt size: Millimeters)
M12
M10
M8
1.0 1.5 2.0 2.5
M10 x 35mm. M1, M14, M16 x 45mm
N ⋅ m
(kgf-cm)
150
100
50
0.0
3.0
- 13 -
Standard bolt
M12
M10
M8
M6
0.5 1.0 1.5 2.0
Tightening time (Sec.)
M14
2.5 3.0