Ingersoll-Rand MMP150, Инструкция по эксплуатации, техническому обслуживанию и ремонту

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MHD56208 - Edition 3 11
(Dwg. MHP2084)
2. Fasteners . Check retainer rings, capscrews, nuts and other
fasteners on motor, including mounting bolts. Replace if
missing or damaged and tighten if loose.
Motors Not in Regular Use
1. Equipment which has been idle for a period of one month or
more, but less than six months, shall be given an inspection
conforming to the requirements of ‘Frequent Inspection’
before being placed in service.
2. Equipment which has been idle for a period of over six
months shall be given a complete inspection conforming with
requirements of ‘Periodic Inspection’ before being place in
service.
3. Standby equipment shall be inspected at least semiannually
in accordance with requirements of ‘Frequent Inspection’.
TROUBLESHOOTING
This section provides basic troubleshooting information. Determination of specific causes to problems are best identified by thorough
inspections performed by personnel instructed in safety, operation and maintenance of this equipment. The chart below provides a brief
guide to common motor symptoms, probable causes and remedies.
Piston
Ring End
Gap
Ring
Thickness
SYMPTOM CAUSE REMEDY
Motor will not
operate. No air supply to motor. Check air supply line connections and hoses.
Shipping plugs may still be in
place. Remove shipping plugs in control valve.
Motor continues
to move when
operation is
stopped. Motor controls sticking. Check pendant/throttle levers return to normal (neutral) positions when released.
Disassemble, inspect and repair the pilot air control valve. Verify spool
adjustment.
Throttle moves
but motor does
not operate. Motor may be damaged. Disassemble and clean the motor and replace any worn or damaged parts.
Insufficient air supply. Ensure air pressure at the motor inlet is at least 90 psig (6.3 bar/630 kPa) at rated
volume. Clean air line filter.
Air leak. Check hose connections. Check hose lines for wear or damage. Replace worn or
damaged hoses.
Motor runs slow. Improper hose or fitting sizes. Check fittings, connections and hoses for correct size and length. Replace parts
that may cause restricted air flow. Inspect air line filter.
Motor may be damaged. Remove and disassemble motor. Inspect all parts and replace all worn or
damaged parts.
Ice in exhaust ports and/or air
lines. Check aftercoolers and traps. Add airline antifreeze to air supply.
Motor piston ring wear. If running lube-free and/or moisture free, inspect piston rings.
Excessive water in motor. Drain water in motor. Refer to ‘Draining Motor Housing’ in “OPERATION”
section.
Air lines freeze. Water in air supply. Install or drain air system moisture traps, moisture collecting air receivers and
compressor aftercoolers. After corrective action has been taken, disconnect lines
at motor inlet and purge with clean, dry air or nitrogen.
Motor runs hot or
makes excessive
noise during
operation. Damaged or broken motor internal
parts. Disassemble and repair motor.
Moisture in motor housing. Drain motor housing.