both feet firmly on the foot platform and turn on the blade clutch switch. Run blades for a minute or so. Try engaging and disengaging the blades a few times about 10 seconds apart. If the blades do not start and stop in a few seconds each time, inspect the clutch or contact your local Wright dealer. Under mowing load, the clutch’s life will be the greatest at the highest RPM setting.
How to Test the Operator Presence Control
(OPC) Switch
With the parking brakes applied and the blades ON, try lifting your feet off the foot platform to test the Operator Presence Control switch (OPC). The engine should kill and the blades should stop within a few seconds. If not, service the OPC system or contact your local Wright dealer.
WARNING
Service and Adjustments
Tire Maintenance and Pressure
Excessively worn tire tread is dangerous on all hills. Replace drive tires with less than 3/32” of any tread groove left. Use tires with the tread pattern recommended by Wright Mfg., Inc. only. Keep the tire pressure in the drive tires between 18 and 24 psi. Higher pressures will cause the tires to have less traction which will force you to go slower and with less safety and give you a harder ride. Front Casters are equipped with
Height-of-Cut
Before adjusting the
•Pull the deck lift lever on the right hand side of the mower towards the rear of the mower until it clicks once into the locked transport position. Then set the mower blade height with the selector pin on the left hand side of the mower. Once the proper height setting is set on the left, pull back on the deck lift lever on the right hand side and then lower the lever towards the front of the machine until it stops at the set height of cut.
Deck Adjustments
The mower deck can be adjusted for pitch and side-
These hangers are connected to the chains that
hold the deck. Adjust the rear deck hangers (by using a socket through the hole above the toe area of the platform) to achieve a ¼” pitch. These hangers are
Belt Tension Adjustment
The pump drive belt is
Deck Lift Spring Adjustment
To adjust deck spring tension, tighten or loosen the
Spring platform Adjustment
The factory setting is both springs set at the most forward position. The more rearward the spring position, the stiffer the platform gets. Adjustment will be to preference of feel. The two adjustment springs should at all times, be positioned next to each other not one forward or back more than the other. To adjust, loosen each spring retaining bolt from the top just enough to slide it, then tighten with impact wrench. The nut may spin using hand wrench. NOTE, do not loosen too much, if the nut falls off, the foot platform will have to be removed to reinstall. There is an extra hole for a third spring for operators heavy enough to bottom out the duel spring stock set up.
Oil Cooler Screen Removal and Cleaning
Your Stander ZK is equipped with an oil cooler, the oil cooler debris screen will need to be cleaned several times a day. Clean more often in bush hog conditions. To clean, “STOP ENGINE” lift thigh pad for access, either wipe screen or remove screen for cleaning. To remove screen, lift and rotate spring locks to free the screen. The screen is bowed to prevent a rattle and should be installed hump down, like a “U”. Using compressed air or water to clean may or may not be necessary.
Oil Cooler Removal and Cleaning
Clean oil cooler weekly. Clean more often in dry conditions. To remove oil cooler for a thorough cleaning “STOP ENGINE”, lift thigh pad for access. Loosen knob as far as necessary to slide the cooler back about 3/8 – 1/2" and then lift up and out. (The cooler knob does not need to be removed) Watch
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