8. Leaving Base
To ensure that your entire FWD/HWD Test System is properly prepared and set up to perform
field testing, always as a minimum perform the following procedure before leaving your base:
8.1 Maintenance Checks
See also Section 15, “Maintenance” for more details.
8.1.1 Tire Pressure
Check tire pressure of both/all wheels and adjust if necessary (to 2.8 bar / 40 psi cold).
8.1.2 Hydraulic Oil Level
Refill only when the plate (i.e. the subunit) has been raised completely!
8.1.3 Battery Acid Level
Refill with distilled water only.
8.2 Connect Trailer to Tow Vehicle
8.2.1 Hook to Hitch
Hook up the FWD/HWD Trailer to the tow vehicle’s trailer hitch ball. MAKE SURE THAT
the trailer tongue hitch is properly locked to the ball. Attach the inertial brake breakaway
security wire to the vehicle’s towing hitch assembly. ALTERNATIVELY, (OR in addition),
attach heavy safety chains from the trailer to the vehicle, if provided / required.
8.2.2 Rear Lights Connection
Connect the plug of the FWD/HWD rear lights cable to the appropriate socket on the rear of
the towing vehicle and check the function of all lights.
8.2.3 Front Support Wheel
Raise and secure the FWD/HWD front supporting wheel, using the heavy split-pin. (Tighten
the clamp VERY well).
8.2.4 Power Cable
Connect the heavy, 2-pin male plug of the trailer power cable to the matching, female power
output socket on the rear of the towing vehicle (or to an optional gasoline power generator if
applied). (Be CAREFUL NOT to SHORT the pins in the plug, as these are directly connected
to the trailer buffer battery supply!).
8.2.5 Network Cable
Connect the Network Cable as explained in Section 7.2.1 “Interface connections”.
Be careful NOT to get ANY DIRT into the connectors!
8.3 Functional Check
At this point in the FWD/HWD preparation it might be a good idea to perform a functional
check of the complete Test System BEFORE driving to the test site, to make sure that
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