ROUTINE MAINTENANCE
ENGINE MAINTENANCE | STORAGE | |
Follow the maintenance schedule and general mainte- | • Clean the unit thoroughly before storage. Do not use | |
nance instructions in the engine maintenance and op- | ||
water pressure. | ||
eration manual furnished with the power unit. | ||
|
SPARK PLUG
On power units equipped with Briggs & Stratton Engines, ONLY Champion RC12YC or equivalent can be used.
For power units equipped with Honda Engines, ONLY Denso
Incorrect type spark plugs can produce radio frequency interference that will corrupt and damage the controller. Failure to use the correct spark plug could result in a warranty that will not be considered.
HYDRAULIC SYSTEM MAINTENANCE
•Always store the unit in a clean and dry facility.
•If the unit will be stored for a prolonged period (over
30 days), add a fuel additive to the fuel tank to prevent the fuel from gumming. Run engine for a short period to circulate the additive.
•Replace crankcase oil with new oil.
•Remove spark plugs and pour approximately 1 ounce
(30 ml) of engine oil into each cylinder. Replace spark plugs and crank the engine slowly to distribute the oil.
• Check hydraulic fluid level daily. Add fluid per specifi- | • Check hydraulic reservoir for water. If water is found, |
cations in this manual. (See "HYDRAULIC FLUID" un- | change the oil and circulate it through the tool hose and |
der the section titled "OPERATING INSTRUCTIONS". | tool. (See "HYDRAULIC SYSTEM MAINTENANCE" |
| earlier in this section). |
• Remove condensed moisture from the hydraulic |
|
fluid by pumping the hydraulic fluid into a 5 gal/20 l con- | • Disconnect tool hoses. |
tainer through the pressure hose. Make sure the engine |
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is at idle when performing this procedure. When the hy- |
|
draulic reservoir is empty turn the engine off immedi- |
|
ately. |
|
• Allow the fluid to sit long enough for the water to settle |
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to the bottom of the container. Slowly pour the fluid back |
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into the hydraulic tank, avoiding the water at the bottom |
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of the container. |
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• Each day, check hydraulic lines and fittings for leaks, |
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kinks, etc. Do not use your hand to perform this check. |
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• Change the hydraulic filter element every 200 hours |
|
of operation. Change more often if cold, moist or dusty |
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conditions exist. |
|
• Check oil cooler for debris. Remove debris with air |
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pressure. |
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14 ► GTR20 User Manual
