Stihl MS 192 T Manual page 11

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.
Problem
Chain receives no oil
Machine losing chain oil
Oil pump delivers insufficient oil
10
Cause
Oil tank empty
Oil inlet hole in guide bar is blocked Clean oil inlet hole
Intake hose or pick-up body
clogged or intake hose ruptured
Valve in oil tank blocked
Worm worn
Oil pump damaged or worn
Oil pump housing defective
Oil pump damaged or worn
Oil pump worn
.
Remedy
Fill up with oil
Fit new intake hose and pick-up
body
Clean or replace valve
Replace worm
Replace oil pump
Replace oil pump
Replace oil pump
Replace oil pump
MS 192 T