Kubota Z421-AU Manuals

Manuals and User Guides for Kubota Z421-AU. We have 1 Kubota Z421-AU manual available for free PDF download: Operator's Manual

Kubota Z421-AU Operator's Manual (94 pages)

Zero Turn Mower

Brand: Kubota | Category: Lawn Mower | Size: 6 MB

Table of Contents
6
Safe Operation
10
Servicing of Machine
22
Warranty
22
Scrapping the Machine and Its Procedure
23
Specifications
24
Specification Table
24
Implement Limitations
26
Instrument Panel and Controls
27
Instrument Panel, Switches and Hand Controls
27
Mower
28
Mower Mounting
29
Mounting the Mower Deck
29
Adjusting the Mower
30
Dismounting the Mower Deck
30
Operating the Engine
32
Getting on and off the Machine Safely
32
Starting the Engine
32
Choke Knob
33
Throttle Lever
34
Key Switch
34
Check During Operating
34
Fuel Gauge
34
Hour Meter
34
Cold Weather Starting
35
Warming up the Engine
35
Warm-Up and Transmission Oil in the Low Temperature Range
35
Jump Starting
35
Stopping the Engine
36
Operating the Machine
37
Operating a New Machine
37
Changing Lubricating Oil for New Machine
37
Engine Break-In
37
Machine Break-In
37
Operating the Foldable Rops
38
Folding the ROPS
38
Raising the ROPS to the Upright Position
39
Adjusting the Foldable ROPS
39
Starting the Machine
39
Operator's Seat
40
Seat Belt
40
Mower Lift Pedal
40
Throttle Lever
40
Parking Brake Pedal
41
Motion Control Lever
41
Stop Position of the Motion Control Lever
41
Operating Position of the Motion Control Lever
42
Stopping the Machine
43
Parking the Machine
43
Accessories
44
Electric Outlet (12 Volt), Plug, Smartphone Holder, Cup Holder and Utility Box
44
Transporting the Machine
44
Hydrostatic Transaxle Bypass Rods
44
Operating the Mower
46
Mowing Tips
46
Adjusting the Cutting Height
46
Operating the Mower
47
PTO Switch
48
Starting the Machine
48
Tires and Wheels
49
Tires
49
Inflation Pressure
49
Wheels
49
Removing the Front Caster Wheels
49
Installing the Front Caster Wheels
50
Maintenance
51
Service Intervals
51
Periodic Service Chart Label
53
Lubricants and Fuel
54
Periodic Service
55
Opening the Step
55
Step
55
Raising and Lowering the Operator's Seat
55
Daily Check
55
Checking the Engine Oil Level
56
Checking the Amount of Fuel and Refueling
56
Checking and Cleaning the Air Intake Screen
57
Checking the Transaxle Fluid Level
58
Checking the Tire Pressure
58
Inflation Pressure
58
Checking the Dial Cam Rotation Strength
59
Checking Movable Parts
59
Every 25 Hours
59
Cleaning the Cylinder and Cylinder Head Fins
59
Cleaning the Foam Element
60
Every 50 Hours
60
Checking the Engine Start System
60
Checking the OPC System
61
Greasing
62
Checking the Muffler and Spark Arrester (if Equipped)
62
Every 100 Hours
63
Changing the Engine Oil
63
Cleaning the Air Cleaner Paper Element
63
Checking the Spark Plug
63
Checking the Fuel Filter and Fuel Lines
64
Checking the Battery Condition
64
Charging the Battery
65
Storing the Battery
66
Adjusting the Throttle Cable
66
Adjusting the Choke Cable
66
Greasing Mower Link Bushings
67
Every 200 Hours or Every 1 Year
67
Replacing the Air Cleaner Paper Element
67
Every 200 Hours
67
Replacing the Fuel Filter
67
Replacing the Engine Oil Filter
67
Every 300 Hours
68
Adjusting the Engine Valve Clearance
68
Cleaning the Combustion Chamber, Lapping the Valve Seating Surface
68
Every 400 Hours
68
Replacing the Transaxle Oil Filter Cartridge
68
Changing the Transaxle Fluid
69
Every 500 Hours
70
Replacing the Spark Plug
70
Lubricating the Crank Shaft
70
Every 500 Hours or Every 1 Year
70
Adjusting the Electric Clutch
70
Every 1 Year
71
Checking Fuel Lines
71
Checking the Muffler and Spark Arrester (if Equipped)
71
Checking Hydraulic Hoses
71
Every 4 Years
72
Replacing Hydraulic Hoses
72
Replacing Fuel Lines
72
Service as Required
72
Replacing Fuses
72
Checking and Replacing Blades
73
Replacing the Mower Belt
74
Adjustment
75
Motion Control Lever
75
Adjusting the Motion Control Lever Operating Strength
75
HST Neutral
75
Maximum Speed (Forward)
76
Motion Control Lever Alignment
76
Checking the Alignment
76
Aligning the Motion Control Levers
76
Adjusting the Mower Lift Pedal
77
Mower Deck Level
77
Anti-Scalp Rollers
77
Leveling the Mower Deck (Side-To-Side)
77
Leveling the Mower Deck (Front-To-Rear)
78
General Torque Specification
80
Tightening Torque Chart
81
Storage
82
Storing the Machine
82
Removing the Machine from Storage
82
Troubleshooting
83
Engine Troubleshooting
83
Battery Troubleshooting
85
Machine Troubleshooting
85
Mower Troubleshooting
86
Index
88

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Kubota Z421-AU Operator's Manual (94 pages)

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