Maintenance; General; Daily Operation; Maintenance After Initial 50 Hours Of Operation - Sullair LS-25 Operator's Manual And Parts List

7.1 GENERAL

As you proceed in reading this section, it will be
easy to see that Maintenance Program for the air
compressor is quite minimal. The Supervisor (or
gauges) monitors the status of the air filter, fluid fil-
ter, and separator elements. When maintenance to
these devices is required, the Supervisor will dis-
play the appropriate maintenance message and
flash the location LED on the graphics map as a vi-
sual reminder.
DO NOT remove caps, plugs, and/or other com-
ponents when compressor is running or pres-
surized.
Stop compressor and relieve all internal pres-
sure before doing so.

7.2 DAILY OPERATION

Following a routine start, observe the various
Supervisor or gauge displays to check that normal
readings are being made - previous records are
very helpful in determining the normalcy of the
measurements. These observations should be
made during all expected modes of operation (i.e.
full load, no-load, different line pressures, cooling
water temperatures, etc.).
During the initial start-up or servicing of the pack-
age, fluid may have to be added to the sump ves-
sel to restore an adequate level. Frequent fluid ad-
ditions to maintain said level would be indicative of
excessive fluid consumption, and should be inves-
tigated - see the Troubleshooting Sections 7.6
through 7.8 of this manual for probable cause and
remedy.
7.3 MAINTENANCE AFTER INITIAL 50 HOURS OF
OPERATION
After the initial 50 hours of operation, a few mainte-
nance requirements are needed to rid the system of
any foreign materials. Perform the following main-
tenance operations to prevent unnecessary prob-
lems.
1. Clean the return line strainers.
2. Clean the return line orifices.
3. Change the fluid filter element.
7.4 MAINTENANCE EVERY 1000 HOURS OF OPER-
ATION
1. Clean the return line strainers.
2. Lubricate the Sullicon actuator linkage.
3. Change the fluid filter element.
7.5 PARTS REPLACEMENT AND ADJUSTMENT
PROCEDURES
Please familiarize yourself with the safety guide-
lines offered in Section 1 of this manual before at-
tempting any maintenance on the package.

AIR FILTER MAINTENANCE

Refer to Figure 7-1. Air filter maintenance on air fil-
ter no. 409264 should be performed when the
Supervisor displays AIR MNTN and the LED dis-
play flashes, or when corresponding maintenance
message is displayed by the Supervisor (or by air
filter maintenance gauge), or once a year, whichev-
er comes first. If the filter needs to be replaced,
order replacement elements (primary replacement
element no. 409853, and secondary replacement
element no. 409854). Consult the following proce-
dures to replace the air filter elements.
AIR FILTER ELEMENT REMOVAL
1. Clean exterior of air filter housing.
2. Release tension on the retaining clamp and re-
move.
3. Remove wingnut and washer from cover; remove
retaining plate.
4. Remove wingnut and washer securing the pri-
mary element; remove element.
5. Remove wingnut and washer securing the sec-
ondary element; remove element.
6. Remove element and clean interior of housing
using a damp cloth. DO NOT blow dirt out with
compressed air.
7. At this time replace the elements.
8. Reassemble in the reverse order of the disas-
sembly.
ELEMENT INSPECTION
1. Place a bright light inside the element to inspect
for damage or leak holes. Concentrated light will
shine through the element and disclose any
holes.
2. Inspect all gaskets and gasket contact surfaces
of the housing. Should faulty gaskets be evident,
correct the condition immediately.
3. If the clean element is to be stored for later use,
it must be stored in a clean container.
4. After the element has been installed, inspect and
tighten all air inlet connections prior to resuming
operation.
5. DO NOT strike element(s) against a hard surface
to dislodge dirt - this may damage the sealing
surfaces and/or rupture the element.
6. DO NOT oil the element(s).
ELEMENT REPLACEMENT
1. Element replacement is performed by reversing
the removal instructions. Make sure that the seal-
ing washers and cover gasket are fully seated by
their corresponding nuts.
Section 7

MAINTENANCE

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