Benchmark 5000-6000 Operation & Maintenance Manual
SECTION 4
– MAINTENANCE
OMM-0118_B
•
GF-203
•
5/9/2019
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•
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•
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SECTION 4:
MAINTENANCE
4.1 MAINTENANCE SCHEDULE
The unit requires regular routine maintenance to keep up efficiency and reliability. For best
operation and life of the unit, routine maintenance procedures should be performed in the time
periods specified in Table 4-1. For a complete inspection check list see ASME CSD-1 chart.
WARNING!
Prior to servicing ensure that the following guidelines are strictly observed:
•
Disconnect the AC power supply by turning off the service switch and ac supply circuit
breaker.
•
Shut off the gas supply at the manual shut-off valve provided with the unit
•
Allow the unit to cool to a safe water temperature to prevent burning or scalding
TABLE 4-1: Maintenance Schedule
SEC
ITEM
6 MOS.
12 MOS.
24 MOS.
LABOR
TIME
4.2
Pilot Burner Ignitor Rod
FRU
Kit (P/N
58084
)
*Inspect
Inspect, replace
if necessary
Replace
15 mins.
4.3
Main Flame Detector FRU
(P/N
65182
)
*Inspect
Inspect, replace
if necessary
Replace
15 mins.
4.4
Lean O
2
Sensor
(P/N
61026
)
*Inspect
Inspect
-
15 mins.
4.5
Combustion Calibration &
pilot regulator adjustment
*Check
Check
-
1 hr.
4.6
Testing of Safety Devices
-
See ASME
CSD-1 Chart
-
45 mins.
4.7
Burner
-
-
Inspect
2 hrs.
4.9
Condensate Drain Trap
*Inspect
Inspect, Clean
& Replace
Gaskets
Inspect, Clean
& Replace
Gaskets
30 mins.
4.10
Air Filter
(replace P/N
88014
), Cleaning Kit
(58041
)
-
Clean
Replace
15 mins.
* Only performed after initial 6 month period after initial startup.
The following maintenance kits are available through your local AERCO Sales Representative:
NOTE:
The 24-Month Waterside/Fireside Inspection Kits includes the items contained in the Annual
Maintenance Kit (P/N
58025-11
). Therefore, when performing the waterside/fireside
inspections, only the 24-Month kit is required. Refer to Appendix I for recommended spare
parts.
