9 Servicing / Cleaning
Training manual Convotherm 4 153
Servicing tasks;
OK
not OK
rectified
Recommended
action
(if needed!)
Servicing
time in
minutes
(including
action)
Mechanical parts – check:
Check water hoses and connections for leaks & wear
Tighten / replace 25
Check that recoil hand shower and recoil mechanism are
working and not leaking
Tighten / replace 10
Check boiler drainage pump for leaks and/or wear
(only for EB / GB)
Replace O-ring 20
Check CS-chamber drainage pump for leaks & wear
10
Check circulation pump for leaks & wear
(only for CC appliances)
10
Check seal between cooking chamber and wiring compart-
ment
(all gaskets & silicone)
Replace seals 15
Retighten all sensors/probes (in cooking chamber, collector
box, drain box, boiler) & check for leaks
Replace seals 10
Check CT probe in cooking chamber
Replace sensor 5
Check rigidity of rack (welds)
Replace rack 5
Check condition and seals on convection heating element /
heat exchanger
Replace seals 20
Rotary catch:
Check for wear and that adjusted correctly:
Adjust / replace 20
Check that door contact switch is working
Disappearing door mechanism:
Check for wear/excessive use and ensure mounted firmly:
Adjust / replace 25
Check running surface of rails & rollers
Check roller bearings
Check door stop on the appliance
Check top support bar on the slide panel
Check sliding block in door guide
Check guide rail on bottom right
Check top/bottom hinge (fitted securely & wear)
Electrical parts – check:
Visually inspect wiring, connecting terminals & controllers
(firmly attached/fitted, no moisture)
Tighten / replace 15
Check actuators using Service menu
Replace 15
Check that oven lamp is working and seal intact
Replace 15
Gas test (only for GS / GB):
Perform gas leak test on gas components (gas sniffer probe,
leak detector spray)
Tighten / replace 30
Measure CO / CO
2
/ O
2
(at min and max speed)
Test exhaust gas 30
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