Stihl MS 441 User Manual

11MS 441, MS 441 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, check oil pump
setting if necessary
Oil inlet hole in guide bar
is blocked
Clean oil inlet hole
Intake hose or pick-up body
clogged or intake hose ruptured
Fit new intake hose and pick-up
body
Valve in oil tank blocked Clean or replace valve
Tooth flanks of worm worn Replace worm
Oil pump damaged or worn Install new oil pump
Machine loses chain oil Oil pump housing defective Install new oil pump
Oil pump damaged or worn Install new oil pump
Oil intake hose connection
damaged
Fit new oil intake hose
Oil pump delivers insufficient oil Oil pump worn Install new oil pump
Delivery rate of oil pump set too low Adjust oil pump

Stihl MS 441 Specifications

General

Displacement	70.7 cc
Weight	6.6 kg
Fuel Capacity	0.78 L
Chain Oil Capacity	0.36 l
Oil Capacity	0.36 l
Oil tank volume	0.36 l
Chain pitch	3/8"