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Espar workshop
direct line: 01752 491900
All makes of diesel
heater require servicing correctly to ensure reliable operation.
At Espar Ltd we offer a full factory repair and service facility
to ensure that your heaters give their best performance. A full
service can only be performed in a workshop equipped with the correct
tools and machinery to clean the interior of the heater and service
moving parts.
A typical
heater service at Espar Ltd consists of the following:
- Note heater serial number and part number.
- Connect heater diagnostic unit, log any
faults in memory (if applicable).
- Remove glow plug/glow pin, inspect for carbon
build-up or damage, clean and/or replace as necessary (if applicable).
- Inspect ignition electrodes, clean if necessary
(if applicable).
- Inspect condition of fuel nozzle, report
findings (if applicable).
- Inspect condition of photo-cell clean and
refit (if applicable).
- Check electrical connections external to
the heater, including main fuse for corrosion. Report findings.
- Check security of electrical main power
connections.
- Check security of heater, tighten fasteners
as required.
- Check heater box or enclosure for damage
or water ingress, report findings (if applicable).
- Check all fuel lines are secure and connections
are properly made.
- Check operation of fuel stop cock if fitted.
- Check the fuel metering pump for corrosion,
report findings.
- Apply waterproof grease to fuel metering
pump electrical terminals and check that correct rubber boots
are fitted (if applicable).
- Remove filter from fuel metering pump and
replace with new (if applicable).
- Replace inline fuel filter (if applicable).
- Check exhaust for corrosion and security,
report findings.
- Check that all exhaust joints are secure
and leak free, seal joints as necessary.
- Check for blocked or damaged combustion
air tube, report findings.
- Inspect intake and outlet grills for blockages
and ensure that intake fan is not restricted (air heaters only).
- Check for blocked or damaged ducting, report
findings (air heaters only).
- Check water pump for damage or leaks (water
heaters only).
- Check for blocked or damaged water pipes,
report findings (water heaters only).
- Check security of all hose clamps, tighten
as required (water Heaters only).
- Check that all water pipe joints are free
from leaks, report findings (water heaters only).
- Check operation of fan matrix units if installed,
if applicable (water heaters only).
- Check level of coolant in header tank and
that the anti-freeze mix is correct, report findings (water heaters
only).
- Apply protective spray to all exposed electrics.
- Test fire heater and check for correct operation
through all operating modes.
- Inspect control device for adjustment and
operation.
- Check that air solenoid valve operates correctly
(if applicable).
- Check exhaust colour as a guide to carbon
build-up, report findings.
- With heater operating, check fuel lines
for leaks, report findings.
- Switch off heater and check for correct
purge cycle.
- Connect heater diagnostic unit, clear all
faults from heater memory (if applicable).
- Remove heater outer cover.
- Check all sensors for signs of corrosion,
report findings.
- Check that all the electrical connections
under the cover are securely made.
- Split burner from heat exchanger, de-coke
the inside of the heat exchanger.
- Reassemble heater.
- Check fuel metering pump for the correct
delivery of fuel.
- Check motor speed through all operating
modes (if applicable).
- Label Eberspacher heater with your name
and telephone number.
- Only send parts to be serviced. (Typically,
main heater body, control box and fuel metering pump)
- Enclose letter with description of any faults
and your details.
- Ensure heater is packed correctly in a suitable
heavy duty box with packing.
Send to:
Espar Ltd
Breakwater Works
Breakwater Road, Plymouth, Devon PL9 7HJ
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