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Pre-Delivery Service of Mower by Dealer
If you are not completely familiar with the Safety Instruction
Manual read it now before proceeding with the Pre-Delivery
Service of the mower. Only your authorized Wright dealer
should perform the Pre-Delivery Service of the mower.
The Wright Sentar is shipped completely assembled and has been adjusted and tested at the factory. However,
due to jostling during the shipping process and the delivery time lapse the following items need to be repeated
again before starting the mower. After you have uncrated the mower, follow these procedures in the order
indicated:
WARNING
• Remove spark plug wire from spark plug(s).
• Inspect the mower for any damage, unusual conditions or missing parts.
• Inspect the mower for all of its decals, especially the warning decals. There should be one blade warning decal
on each side of the deck, the “shield missing” under the blade belt covers, and the dash decal.
• Check (and fill if necessary) engine oil level according to the engine manufacturer’s recommendation.
• Check (and fill if necessary) hydraulic fluid level. The level should be about 3” - 4” below the top of the oil fill.
Use synthetic oil: Mobil1 15W-50.
• Check rear tire pressure. 18 to 24 psi. is recommended. It should be even on both sides. Use the higher
pressures for heavier operators. Set the tire pressure in the front caster tires between 30 and 40 psi.
Higher pressures will help keep the caster tires on their rims when impacted from the side but give a stiffer
ride. Some Front Casters are equipped with non-pneumatic tires and do not required any air.
• Check the battery to see that the cables are tight and connected properly. The battery is 12 volts and is a
maintenance-free battery. Only charge the battery if it will not start the mower properly.
• Remove the blade belt covers and inspect the belt and idler arm for smooth operation. Also grease the spindles
and the idler arm.
• Rotate the blade pulleys slightly to see if they rotate freely and all turn together. There will be resistance due to
the clutch brake.
• Replace the blade belt covers.
• Check the cutter deck for proper adjustment. The deck should be approximately ¼” lower in the front than in
the rear and the deck should be level side-to-side. If the deck is not adjusted properly, please adjust at this
time. See Deck adjustments section of this manual for further instructions.
• Lubricate all moving parts (see Maintenance Items
section of this manual).
• Fill fuel tanks with regular unleaded gasoline. Turn fuel valve under right side of dash towards the gas tank you
plan to use.
• DO NOT START THE ENGINE AT THIS TIME. FOLLOW THE NEXT PROCEDURE BEFORE STARTING.
The hydraulic system MUST be checked for proper operation before allowing wheels to operate on the
ground.
• Set the rear of the machine on jack stands or blocks to raise rear wheels off the ground two or three inches and
check to be sure that the mower will not fall off the supports you devise. (Do not support the mower’s
weight on any part of the foot platform.) You must be able to stand on the mower. The stand(s) must be
able to secure the mower from rolling off or away during the next procedures. Check under the mower deck
for any debris or unusual conditions.
• With hand controls in the middle or neutral position, apply the parking brake.
• Open the manual bypass valves on top of each pump a half-of-a-turn counterclockwise.
• Reattach spark plug wires to spark plugs.
• Before starting the engine be ready to stop it if the wheels begin to turn with the brake on. (If this happens,
check that the manual bypass valves on top of each pump are open at least a half-of-a-turn
counterclockwise.)
• Start the engine according to the engine manufacturer’s recommendation. Let the engine run at low RPM for
several minutes to get the hydraulic fluid circulating through the pumps. While seated or standing on the
foot platform, release the parking brake. Now gradually close the manual bypass valves on top of each
pump one at a time and see if the wheels start to move. If the wheels move when the hand controls are in
neutral position, adjust the pump neutral adjustment allen screw. The manual bypass valves on top of each
pump should now be firmly closed. (Do not tighten these bypass valves with a wrench. Only hand tighten.)