Krone AM 283 S User Manual

Maintenance
48
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10.3.4 Tightening Torques for Locking Screws and Bleed Valves on the Gearboxes
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NOTE
The tightening torques only apply to assembly of locking screws, viewing glasses, ventilation
and breather filters and bleed valves in gearboxes with cast housings or aluminium or steel
housings. The term “locking screw” includes the drain plug, the inspection screw as well as the
ventilation and breather filters.
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This table applies only to locking screws with external hex in connection with copper
seal ring for bleed valves made of brass with shaped seal ring.
Thread
Locking screw and viewing glass
with copper ring*)
Ventilation/breather filter made of
steel
Bleed valve made of brass
Ventilation and breather filter made
of brass
Steel and cast
Aluminium
Steel and cast
Aluminium
Maximum tightening torque (Nm) (±10%)
M10x1
8
M12 x 1.5
14
G1/4“
14
M14 x 1.5
16
M16 x 1.5
45
40
24
24
M18 x 1.5
50
45
30
30
M20 x 1.5
32
G1/2“
32
M22X1.5
35
M24x1.5
60
G3/4“
60
M33x2
80
G1“
80
M42x1.5
100
G1 1/4“
100
*) Always replace copper rings
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Note
Regularly check that nuts and bolts are tightly in place (approx. every 50 hours) and tighten
them if necessary.
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Krone AM 283 S Specifications

General

Brand	Krone
Model	AM 283 S
Category	Lawn Mower
Language	English