Weishaupt WM-L20/2-A R - Service Plan

Installation and operating instruction
Oil burner WM-L20/2-A R (W-FM100/200)
9 Servicing
83252902 1/2019-09 La
47-84
9.2 Service plan
Components Criteria / design lifespan
(1
Service procedure
Fan wheel Soiling Clean
Damage Replace
Coupling cross on coupling
centre piece
Wear Replace
Recommendation: at least every 2 years
Air duct Soiling Clean
Air damper Soiling Clean
Distance to housing < 0.3 mm Adjust [ch.9.8]
Sleeve bearing air damper shaft Has play Replace [ch.9.8]
Air regulator cladding Damage/brittleness/soiling Replace
View port cover Air escaping Replace
Ignition cable Damage Replace
Ignition electrode Soiling Clean
Damage/wear Replace
Combustion Manager 250 000 burner starts or 10years
(2
Replace
Flame sensor Soiling Clean
Damage
250 000 burner starts or 10years
(2
Replace
Flame tube/diffuser Soiling Clean
Damage Replace
Oil nozzle Soiling/wear Replace
Recommendation: at least every 2 years
Oil hose Damage/oil escaping Replace
Recommendation: every 5years
Pressure hose nozzle assembly
(with combustion head exten-
sion)
Damage/oil escaping
5 years
Replace
Oil solenoid valve Soundness
250 000 burner starts or 10years
(2
Replace oil pump or solenoid valve
Oil quantity regulator Excess air due to wear
Hysteresis behaviour/damage/oil escap-
ing
250 000 burner starts or 10years
(2
Replace
Oil pressure switch Switch point Check
250 000 burner starts or 10years
(2
Replace
(1
The specified design lifespan applies for typical use in heating, hot water and steam systems as well as for thermal
process systems to EN746.
(2
If a criterion is reached, carry out maintenance measures.