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REGULAR MAINTENANCE
ENGLISH
CAUTION
• In order to cool down completely, stop the unit 1~2 hours prior to maintenance/replace-
ment. If you touch a heated area of the outdoor unit parts which was in operation, it may
cause burns.
• Make sure to shut off the power breaker of the outdoor control panel when performing
internal work on the outdoor unit. If the indoor unit is operated by the customer’s remote
control during internal work, it may cause injury or equipment damage.
• Use authentic products from LG electronics for the parts replacement. Use of inauthentic
parts or oil can cause malfunction of the unit and the customer will be responsible for any
damages involved.
!
h Engine ignition plug replacement
Engine ignition plug should be replaced every 10,000 hours or 5 years. (whichever comes first)
Use the authentic products from LG electronics for the ignition plug replacement.
Replacement procedure is as follows.
Refer to the table below when preparing the tools and part required for the replacement/mainte-
nance.
Necessary parts
and tools
Specifications and
Stock No.
Quantity Remarks
Ignition plug 4 LG electronics authentic products
Screwdriver +,- 1ea
Plug wrench Size 16mm 1
Wire brush 1
Torque wrench 6.4~29.4N·m 1
Outdoor unit panel removal
- Stop the engine by controlled shutdown before the maintenance. (refer to 'Operation restriction
of the outdoor unit prior to maintenance' in the 'Self-diagnosis')
- Open the outdoor unit panel.
Old ignition plug separation
- Separate the ignition plug from high-tension wire.
- Remove the ignition plug coil.
- Remove the ignition plug by loosening with a wrench(16mm size).
New ignition plug replacement / installation
- Replace the old ignition plug with a new one and install it in reverse order as described above.
Figure 1. Ignition plug
Engine ignition plug replacement
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