Webasto HL 32 D - Wiring Diagrams

Maintenance of the Heater
8
8
Maintenance of the Heater
The heater should be checked annually, preferably heater is used frequently due to weather conditions).
prior
to the heating season commencing {when the
Inspection/Maintenance Work
I
Inspection
!
I
{for Troubleshooting see chapter 4) Re ults
I
Measured Values,
i
Important Notes
Repair Work
I
o.k.
not
Peformed
o.k.
1. Electrical System
a) Loosen all electrical connections, check for
Use suitable contact
spray, e.g. special
□ □
oxidation, apply contact spray and reconnect.
contact spray {order
1
b) Inspect fuses for oxidation or contact resistance. no. 101 322)
1
□ □
I
2. Heat Exchanger
I
i
!
a) Check for signs of leakage.
□ □
Determine cause of •
'
b) Clean outside of heater; prevent ingress of water.
overheating, if
;
necessary; check j
□
I
□
NOTE: The heat exchanger must be replaced after
I
temperature limiter. I
I
I
10years.
I
3. Fuel System
Ensure leakproof
□
I
□
a) Perform functional check of metering pump. fuel line connec•
I
!
b) Check fuel lines and connections for tightness.
tions! Retighten
□ □
screw connections
c) Check fuel filter and replace, if necessary.
and hose clamps.
□
□
4. Burner
CAUTION:
a) Inspect inside of housing for fuel accumulation
There is a fire
hazard
when burner
□
□
caused by leakage.
is opened.
I
□ □
I
I
b) Replace burner, if necessary.
i
'
Burners are differ-
i c) Check flame detector for damage. Check glow
ent in "Petrol" and
i
□
i
□
I
I
plug/pencil-type glow plug.
"Diesel" variants.
I
j
I
5. Combustion Air and Exhaust Systems
I
I
I
a) Check fuel lines for unobstructed passage and
□
i
□
I
I
clean, if necessary.
I
I
b) Check exhaust pipe for unobstructed passage and □
□
clean, if necessary.
c) Remove burner tube from heat exchanger, check
□ □
both parts for damage and contamination and
clean or replace, as required.
I
d) Reconnect electrical connections □
I
□
6. Functional Check
a) Check heater for proper functioning.
After a heating
□ □
operation of min.
I
I
□ □
b) Check Co2-content in exhaust gas and readjust, 10 minutes.
I
if necessary.
37
www.butlertechnik.com
www.butlertechnik.com