Commercial Mower Owner’s Manual For Sentar Serial #19729 and higher until superseded WARNING: READ THIS MANUAL BEFORE USING For your safety and for proper operation and maintenance read carefully and keep readily available for future reference. Additional replacement owner’s manuals (Part #79490103), as well as illustrated parts lists (Part #79490104), are available from your authorized Wright Dealer for a nominal charge or if a dealer is not available by contacting Wright Manufacturing, Inc.
Foreword Welcome to the progressive group of mowing professionals who use Wright mowers. We are focused on giving you advanced engineering and quality construction in each mower we build. This manual explains the features and promotes safer use of the mower. Please read it and follow the instructions carefully so that you can have many years of productive mowing. For service, remember that your Wright dealer knows your mower best and is interested in your satisfaction.
TABLE OF CONTENTS Subject Safety Instruction Manual Introduction General Safety Instructions Owner/User Notice User Experience and Qualifications User Clothing Inspection of Mower Before Each Use Scheduled Mower Maintenance Safety Work Area Conditions and Inspection Initial Operating Safety Guidelines Replacement Parts Operation on Slopes Operation During Zero-Radius Turns Operation in Reverse Operation in Forward Direction Fuel Safety Hydraulic Safety Pre-Delivery Service of Mower by Dealer Operating Instr
WARNING CAUTION This symbol with the word “WARNING” indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. This symbol with the word “CAUTION” indicates a potentially hazardous situation which, if not avoided, could result in minor or moderate injury. SAFETY INSTRUCTION MANUAL TO WRIGHT MOWER USERS & OWNERS: READ THIS MANUAL BEFORE USING. PLEASE BE CAREFUL! INTRODUCTION This mower is built to the highest standards in the industry.
WARNING User Clothing: DO NOT operate the mower while wearing sandals, tennis shoes, sneakers, or shorts. Always wear long non-baggy pants. Wear hightop leather work boots with thick, textured tread, soft-rubber soled at all times. Hard or smooth soled shoes are too slippery for a good footing on mower platform. NEVER wear loose-fitting clothing or jacket pockets that can get caught to the handlebars or control levers of any mower you drive.
through glass windows and some walls of buildings. There is extreme risk of danger from thrown objects or being cut by the blades of the mower or being run over if you lose control. Never operate the mower in an enclosed area without good, approved ventilation. Exhaust fumes are dangerous. • • WARNING Initial Operating Safety Guidelines: • Read and understand the warnings on the instrument panel of the mower. • Keep a firm hold on the stationary handle at all times.
the stability of the mower. Do not operate the mower on slopes at all when the grass is wet. There is a danger of suddenly sliding sideways or down the hill. When operating on a slope, travel across the grade whenever possible, not in an up or down pattern. Reduce speed and exercise extreme caution on slopes and in sharp turns to prevent tipping or loss of control. Be especially cautious when changing direction on slopes.
the orientations to a slope mentioned above and must handle the mower accordingly. WARNING Operation in Reverse: Always keep a firm grip on the mower stationary handlebar with both hands. Keep both feet firmly on the foot platform. Look behind you before backing to prevent injuring yourself or anyone behind you. Operate the mower very slowly, inching it backward until you become familiar with how the mower operates. Always operate slowly if in an awkward location or position.
Pre-Delivery Service of Mower by Dealer WARNING 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.
• • • • 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 neutral adjustment knobs in front of and between the two hydraulic pumps until they stop. 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.
OPERATING INSTRUCTIONS If you are not completely familiar with the Safety Instruction Manual read it now before proceeding with the operation of WARNING the mower. REMEMBER THERE ARE CERTAIN PRECAUTIONS LISTED IN THIS MANUAL THAT YOU MUST NOW TAKE BEFORE STARTING THE MOWER. Starting the engine Inspect Mower Before Each Use: Inspection of Mower: Do not use the mower if any parts are not maintained in good operating condition. Examine all moving parts prior to each use.
levers, one at a time, very slightly, forward and backward. Gradually increase your speed until you are well acquainted with the operation of the hand controls and the mower’s behavior. After gaining a good feel for how the mower handles, gradually attempt higher engine speeds until familiar with operation at full throttle engine speed. least a 45 degree angle to the curb. To drive off a curb, first try driving up onto it to make sure the curb is not too high.
How to Change the Speed/Sensitivity Adjustment The controls are initially set with the Speed/ Sensitivity Adjustment in the faster, more sensitive position. If an operator is not completely familiar with mower operation the operator may desire to decrease the ground speed approximately 25-30%. The slower setting has a corresponding decrease in the sensitivity of the controls.
OLD ONES ARE WORN, BROKEN, OR BENT. After getting the mower to track straight, readjust the neutral adjustment , if necessary. It is normal to need to make these adjustments from time to time as the linkage breaks in or wears. How to Test/Use the Blade Clutch/Brake Switch Before testing the blade clutch/brake operation, make sure the area is clear and there is nothing vulnerable to thrown objects from under the mower. No one should be near the mower deck or in its line of discharge.
blade drive belt is self-adjusting also and requires no adjustment, just replacement. After purging is complete, adjust the oil level in the reservoir if necessary. How to Move the Mower if the Engine Won’t Start Battery Service Rotate both of the manual “dump” valve levers on the top of each hydraulic pump about ½ turn counterclockwise. It is important not to over tighten these levers. Damage may occur to the pump if this valve is over tightened.
Engine Engine Engine Engine Engine *1 *1 *1 *1 *1 Change engine oil and filter Engine Check hydraulic oil reservoir level and fill as needed - Use SYNTHETIC oil - Mobil1 15W-50 Grease caster wheel bearings Grease blade spindle bearings (if applicable) Lubricate foot platform Operator Presence Control pivots and control rod with waterproof grease Lubricate hand control lever pivot shafts with waterproof grease Lubricate choke control cable (if equipped) with WD-40 Inspect for cracks in frame, cutter deck o
WRIGHT MANUFACTURING, INC. POWER EQUIPMENT LIMITED WARRANTY THIS WARRANTY SUPERSEDES ALL PREVIOUS ON UNITS WITH A RETAIL SALES DATE ON OR AFTER 03/17/03 Wright Manufacturing, Inc. (hereinafter: WMI) warrants to the original owner that the new WMI mower accompanying this document will be free from manufacturing defects in materials or workmanship subject to the following limitations and exclusions.