10 ► GTR20B01
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 overfill. Use detergent oil classified "For
Service SE, SF, SG" as specified 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
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, fill 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 fittings (NPT type
threads). (See Figure 2.)
Figure 1. Panel Control Valve
Facing the panel control valve, the 2 left male quick dis-
connect fittings are the PRESSURE FLUID OUT fittings.
The 2 right female quick disconnect fittings are the RE
-
TURN FLUID IN fittings.
QUICK DISCONNECT COUPLERS
H.T.M.A. approved quick disconnect couplings are in-
stalled to hydraulic hoses so that the direction of oil flow
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