Specifications

D-1000B Heater Operations & Maintenance
MAINTENANCE, and REPAIR PROCEDURES 5-1 DHS SYSTEMS LLC
No rights are conveyed except as indicated in the legend on the inside front cover of this document.
5. MAINTENANCE, and REPAIR PROCEDURES
5.1 General
This chapter contains general information for operator-level, qualified personnel. A qualified person is one who is familiar
with this manual, the operation of the D-1000B heater; the hazard involved in its operation and maintenance, and has
been certified by the DHS Training Program. This chapter also describes the procedures for both periodic and daily
maintenance.
Periodic maintenance at the five-year interval is not covered in this manual; maintenance at this interval should be
performed by authorized DHS technicians. Maintenance and service contracts can be arranged with DHS Logistics.
Parts for maintenance and service can also be obtained from DHS Logistics. Please contact DHS for more information
(Phone: 800-GO-DRASH (800-463-7274), Fax: [phone] or Email: [e-mail]
).
This manual is not intended to be a substitute for proper training. We strongly recommend that operators receive training
directly from DHS.
The cautions and warnings point out known conditions that are potentially hazardous. Note that no manual can cover
every possible situation. If in doubt, contact DHS Logistics.
Before calling DHS for assistance, please identify the heater by its DRASH serial number. The serial number is located
on the control panel side of the heater as shown in Figure 1-1.
Only authorized DHS technicians should perform Service and Repairs beyond the scope of this manual.
5.2 Maintenance
This section describes preventive and regular maintenance schedules. Preventive and regular maintenance will ensure a
long trouble free life to your heater.
5.2.1 Periodic Maintenance
Periodic maintenance of the heater is necessary and must be part of the daily routine of operating the heater.
Maintenance activities should be performed at the following periodic intervals:
5.2.2 Daily Maintenance
Check the following points prior to starting the heater:
 Ensure that both protective fabric covers have been removed.
 Inspect both ends and the exhaust stack port for any debris. Remove debris.
 Install heater ducts, secure by tightening strap. Minimize any bends. Keep ducts straight.
 Verify fuel tank is full.
 Verify that the exhaust stack is properly installed.
5.2.3 50 Hour Maintenance
After every 50 hours of operation, perform the following maintenance.
 Remove, disassemble and inspect the pre-heated fuel filter.
 Clean the fuel filter with clean fuel.
 Remove top cover and clean the heaters’ exterior.
 Loosen and slide the maintenance access panel rearward.
 Using compressed air, clean the interior area.
 Clean the fan blade.
 Check for leaks.
 Remove burner assembly, clean and check electrode setting; adjust according to Section 5.4.9.