Section 5
MAINTENANCE
15
DANGER
DO NOT remove caps, plugs, or other
components when compressor in run-
ning or pressurized.
Stop compressor and relieve all internal
pressure before doing so.
5.1 GENERAL
As you proceed in reading this Section, it will be
easy to see that the Maintenance Program for your
24KT Air Compressor is quite minimal. The use of
the service indicators provided for the bearing filter.
air filter and fluid separator, will alert you when ser-
vice maintenance is required. When the mainte-
nance indicator shows red, maintenance for that
specific item is required. See instructions for each
item in Section 5.6 Parts Replacement and Adjust-
ment procedures.
5.2 DAILY OPERATION
Prior to starting your machine. it is necessary to
check the coolant level in the sump. Should the lev-
el be low, simply add the necessary amount. If the
addition of coolant becomes too frequent, a simple
problem has developed which is causing this ex -
cessive loss. See the Troubleshooting Section (5.7)
under excessive coolant consumption for a prob-
able cause and remedy.
After a routine start has been made, observe the in-
strument panel gauges and be sure they monitor
the correct readings for that particular phase of op-
eration. After the machine has warmed up, it is rec-
ommended that a general check of the overall ma-
chine and instrument panel be made to assure that
the compressor is running properly.
5.3 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 w hich may have accumu-
lated during machine assembly. Perform the follow-
ing maintenance operations to prevent unneces-
sary problems:
1. Clean the return line strainer
2. Clean the return line orifice
3. Clean the compressor unit bearing and shaft
seal orifices.
5.4 FILTER M AINTENANCE
Replace your bearing filter element every 4,000
hours or once a year, whichever comes first. This
must be done even if the bearing filter indicator
does not show red. Also clean the main filter ele-
ment and install a new gasket kit, at this time.
Figure 5-1 Bearing Filter
5.5 SEPARATOR MAINTENANCE
Replace the separator element when the separator
maintenance indicator shows red. The separator
element must be replaced. Do not clean the dirty
element.
5.6 PARTS REPLACEMENT AND ADJUSTMENT
PROCEDURES BEARING FILTER ELEMENT RE-
PLACEMENT
Refer to Figure 5-1.
1. Using a strap wrench, remove the old element
and gasket.
2. Clean gasket seating surface.
3. A pply a light film of 24KT fluid to the new gasket.
4. Hand tighten new element until new gasket is
seated in the gasket groove.
5. Continue tightening element by hand an addi-
tional 1/2 to 3/4 turn.
6. Restart machine and check for leaks.
SERVICING THE MAIN FILTER
Refer to Figure 5-2. The main filter is located sche-
matically in the coolant line between the receiver/
sump and the compressor unit. The main filter ele-
ment is a washable -type element and should never
require changing unless damage occurs. For
installation of the Filter Seal Kit No. 1100, follow the
procedure explained below.
DISASSEMBLY
1. Disassemble the filter by removing four (4) caps-
crews and separate the filter head and element
(as an a ssembly) from the housing.
2. Remove the hex nut (located inside the element)
from the valve stem.
3. At this time, pull the element, spring, spring seat
and spring retainer from the valve stem.
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