en-3
7
BATTERIES
7.1
Battery Safety..................................................... 52
7.2
Battery Conditioning ...........................................52
7.3
Battery Systems .................................................54
7.4
Battery Filling (Battery Powered Mowers) ..........54
7.5
Battery Maintenance ..........................................55
7.6
Battery Performance ..........................................55
7.7
Battery Disposal .................................................55
7.8
Battery Charger ..................................................56
7.9
Battery Charger Algorithm ..................................57
7.10 Cleaning Batteries ..............................................58
7.11 Specific Gravity (62801 Only) .............................59
7.12 End of Charge Voltage Test (62801 Only) .........59
7.13 Discharge Test (62801 Only) .............................60
7.14 Buffer Battery Wiring ..........................................61
7.15 Buffer Battery Testing .........................................61
7.16 Battery Power Module Wiring .............................63
8
HYBRID ENGINE MAINTENANCE
8.1
General............................................................... 64
8.2
Engine ................................................................64
8.3
Engine Oil ...........................................................65
8.4
Gas Engine Air Filter ..........................................65
8.5
Diesel Air Filter ...................................................66
8.6
Fuel ....................................................................66
8.7
Fuel System .......................................................66
8.8
12 Volt Engine Battery ........................................67
8.9
Jump Starting Engine Battery .............................67
8.10 Charging Battery ................................................67
8.11 Muffler and Exhaust ...........................................67
8.12 Radiator (Diesel Engines) ..................................68
9
MAINTENANCE
9.1
General............................................................... 69
9.2
Front Axle ...........................................................69
9.3
Lift Actuator Calibration ......................................70
9.4
Backlapping and Grinding ..................................71
9.5
Tires ...................................................................72
9.6
Wheel Mounting Procedure ................................72
9.7
Care and Cleaning .............................................72
9.8
Storage ...............................................................74
10
ELECTRICAL SYSTEM
10.1 General Information ............................................75
10.2 Controllers ..........................................................75
10.3 PDU and Controller Locations ............................76
10.4 RCU Controller Lights ........................................77
10.5 MCU Controller Lights ........................................78
10.6 OLM Controller Lights (Early Units) ....................79
10.7 PDU (Early Units) ...............................................79
10.8 PDU (Later Units) ...............................................80
11
ADJUSTMENTS
11.1 General .............................................................. 81
11.2 Bedknife-To-Reel ...............................................81
11.3 Bedknife Adjustment ..........................................82
11.4 Cutting Height ....................................................82
11.5 Reel Assembly ...................................................83
11.6 Reel Bearing ......................................................84
11.7 Reel Stabilizer Rods ...........................................84
11.8 Bedknife Adjuster Spring ....................................85
11.9 Bedknife Adjuster Tension .................................85
11.10 Grinding Bedknife ...............................................85
11.11 Steering Chain Tension ......................................85
11.12 Armrest Height Adjustment ................................86
11.13 Armrest Pivot ......................................................86
11.14 Grass Catcher Yoke Adjustment ........................86
11.15 Hood Stops ........................................................87
11.16 Lift Stops ............................................................87
11.17 Diesel Engine Alternator Belt .............................88
11.18 Headlight Adjustment .........................................88
11.19 Traction Pedal Adjustment .................................88
11.20 Steering Proximity Switches ...............................89
11.21 Steering Sensor Adjustment (3WD Units) ..........89
11.22 Diesel Throttle Actuator Adjustment ...................89
11.23 Gas Throttle Actuator Adjustment ......................90
11.24 Torque Specification ..........................................91
11.25 Specific Torque ..................................................91
12
LDU ERROR CODES
12.1 General Information ........................................... 92
12.2 System Error Codes ...........................................92
12.3 Reel Control Unit Error Codes ...........................93
12.4 Traction & Steering Controller Error Codes .......96
12.5 Over-Voltage Limit Controller Error Codes ......101
12.6 Hybrid Engine Controller Error Codes ..............103
13
TROUBLESHOOTING
13.1 Trouble Shooting.............................................. 105
14
QUALITY OF CUT
14.1 Quality of Cut Troubleshooting......................... 108
14.2 Washboarding ..................................................108
14.3 Marcelling .........................................................109
14.4 Step Cutting .....................................................110
14.5 Scalping ...........................................................111
14.6 Stragglers .........................................................112
14.7 Streaks ............................................................. 113
14.8 Windrowing ......................................................114
14.9 Rifling or Tramlining .........................................115
14.10 Mismatched Cutting Units ................................115
