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10 ► GTR20 User Manual
PREPARATION FOR USE
Do not operate the power unit until you have read the
engine operating and maintenance instructions manual
furnished with the unit.
1. ENGINE CRANKCASE OIL LEVEL
Always check the oil level before starting the engine.
Make sure the oil level is at the FULL MARK on the dip-
stick. Do not overll. Use detergent oil classied "For
Service SE, SF, SG" as specied in the engine operat-
ing and maintenance manual. See engine manual for oil
viscosity grade.
2. 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 J16CR-U or equivalent can be used.
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.
3. ENGINE FUEL LEVEL
Check the fuel level. If low, ll with un-leaded gasoline
with a minimum of 85 octane.
4. HYDRAULIC FLUID
RECOMMENDED HYDRAULIC OILS
Below is a list of recommended oils by brand.
5. HYDRAULIC CONNECTIONS
The recommended hose length is 25 ft/8 m with a 1/2
inch/12.7 mm inside diameter. The hoses must have
a working pressure rating of at least 2500 psi/175 bar.
Each hose end must have male thread ends compatible
with H.T.M.A. (HYDRAULIC TOOL MANUFACTURERS
ASSOCIATION) quick disconnect ttings (NPT type
threads). (See Figure 2.)
Figure 1. Control Panel
Facing the control panel, the 2 left male quick discon-
nect ttings are the PRESSURE FLUID OUT ttings.
The 2 right female quick disconnect ttings are the RE-
TURN FLUID IN ttings.
QUICK DISCONNECT COUPLERS
H.T.M.A. approved quick disconnect couplings are in-
stalled to hydraulic hoses so that the direction of oil ow
is always
OPERATION
Brand Biodegradable Description
CITGO No Hydurance AW32
AMS Oil No HVH 32
Exxon Mobil No Univis HVI26*
Exxon Mobil No DTE 10 Excel
Shell No S2 V 32
Chevron No Rando HDZ 32
Conoco Phillips No Unax AW-WR-32
Clarion (CITGO) Yes Green Bio 32
Exxon Mobil Yes EAL 224H
Chevron Yes Clarity AW32
Terresolve Yes Envirologic 132
Shell Yes Naturelle HF-E-32
*Recommended for extreme cold temperatures