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Stihl MS 240 User Manual

Stihl MS 240
122 pages
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11MS 240, MS 260, MS 260 C
4.3 Chain Lubrication
In the event of trouble with the
chain lubrication system, check and
rectify other sources of faults
before disassembling the oil pump.
.
Condition Cause Remedy
Chain receives no oil Oil tank empty Fill up with oil and check setting of
oil pump if necessary
Oil inlet hole in guide bar is blocked Clean oil inlet hole
Intake hose or pickup body clogged
or intake hose ruptured
Fit new intake hose and pickup
body
Valve in oil tank blocked Clean or replace valve
Teeth on worm worn Install new worm
Oil pump damaged or worn Install new oil pump
Machine losing chain oil Oil pump body damaged Install new oil pump
Oil pump damaged or worn Install new oil pump
Oil suction hose connection
damaged
Install new oil intake hose
Oil pump delivers insufficient oil Oil pump worn Install new oil pump
Oil pump delivery rate set too low Adjust oil pump
(only on version with adjustable oil
pump)

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Stihl MS 240 Specifications

General IconGeneral
Chain pitch3/8"
Oil Capacity0.2 L
Guide bar length (recommended)40 cm
Engine Power2.0 kW (2.7 bhp)
Displacement41.6 cm³

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