Prochem Legend GT User Manual

Page 41

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39

Maintenance

Vacuum Pump Maintenance

(Refer to pump manufacturer’s manual for specific
maintenance instructions)

The total function of the unit is based around the perfor-
mance of the vacuum pump. Heat transfer used to
raise the temperature of the solution is gained from the
air drawn by the vacuum pump and solution is removed
from the carpet with the vacuum suction of the vacuum
pump. General maintenance actions for the vacuum
pump as listed in this manual are vital to prolonged
vacuum pump operations. Daily lubrication of the
pump is required to avoid seizure of the system. Also,
waste tank filters and strainers must be maintained to
prevent unwanted debris from entering the vacuum
pump.

DO NOT service this unit while it is running. The
high-speed mechanical parts as well as high
temperature components may result in severe
injury, severed limbs, or fatality.

NOTE: Use the hour meter as a guide for coordinating
the maintenance schedule.

Engine

(Refer to engine manufacturer’s manual for specific
instructions)

1. Check the engine oil level daily, when in use.

Make certain that proper oil level is maintained.
NEVER overfill.

2. Change the break-in oil and filter after the first 8

hours of operation. Thereafter, change oil and oil
filter every 100 hours of operation. USE ONLY
ENGINE MANUFACTURER’S BRAND OIL FIL-
TERS. ANY OTHER TYPE OIL FILTER WILL
VOID YOUR ENGINE WARRANTY. Torque drain
plug to 10 ft lbs.

Oil Recommendation. See “ENGINE OIL REQUIRE-
MENTS” in Operations section.

NOTE: Using other than service class SG, SH, SJ
or higher oil or extending oil change intervals
longer than recommended can cause engine
damage.

3. Check the spark plugs every 200 hours. Clean if

necessary. Replace the spark plugs every 1000
hours
. NOTE: Never sandblast spark plugs.
Spark plugs should be cleaned by scraping or wire
brushing.

4. Replace the air cleaner element every year.

5. Replace the in-line gas filter every 500 hrs.

NOTE: For additional engine service information,
obtain the engine manufacturer’s manual from any
authorized service center. If service or repair is
required, contact an authorized engine
manufacturer’s service center. You will need to
provide the serial number of the engine.

Engine oil capacity including filter is approximately 1.7
to 1.9 quarts.

86313050 LEGEND GT

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