Chapter 4
Hydraulic System
Table of Contents
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Test No. 2:Traction Circuit System Pressure . . . 27
GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . 3
Test No. 3: Front Mow/Lift Circuit Pressure . . . . 28
Hydraulic Hoses . . . . . . . . . . . . . . . . . . . . . . . . . 3
Test No. 4: Rear Mow Circuit Pressure . . . . . . . 29
Hydraulic Fitting Installation . . . . . . . . . . . . . . . . 3
Test No. 5: Reel Drive Pump Efficiency . . . . . . . 30
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Test No. 6: Reel Drive Circuit Flow . . . . . . . . . . 31
HYDRAULIC SCHEMATIC. . . . . . . . . . . . . . . . . . . . 6
Test No. 7: Reel Drive Motor Efficiency
HYDRAULIC FLOW DIAGRAMS . . . . . . . . . . . . . . . 7
and Mow Circuit Relief Pressure . . . . . . . . . . 32
Traction Forward . . . . . . . . . . . . . . . . . . . . . . . . . 7
ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Lower Cutting Units / Mow . . . . . . . . . . . . . . . . . 8
Traction Control Neutral Adjustment . . . . . . . . . 33
Backlap – Front . . . . . . . . . . . . . . . . . . . . . . . . . 10
Lift Circuit Variable Orifice Adjustment . . . . . . . 34
Raise Cutting Units . . . . . . . . . . . . . . . . . . . . . . . 11
TRANSMISSION REPAIRS . . . . . . . . . . . . . . . . . . 35
SPECIAL TOOLS . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Shaft Seal Replacement . . . . . . . . . . . . . . . . . . 35
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . 15
Transmission Control Linkage Removal . . . . . . 36
Transmission Operates in One Direction Only . 15
Trunnion Seal Replacement . . . . . . . . . . . . . . . 37
Traction Pedal Does Not
Check and High Pressure Relief Valves . . . . . . 38
Return to Neutral Properly . . . . . . . . . . . . . . . 15
Charge Pressure Relief Valve . . . . . . . . . . . . . . 39
Transmission Jerky When Starting . . . . . . . . . . 15
Heat Exchanger Bypass Valve . . . . . . . . . . . . . 40
Transmission Operating Hot . . . . . . . . . . . . . . . 16
Filter Bypass Valve . . . . . . . . . . . . . . . . . . . . . . 40
Loss of Traction Power or
Filter Bypass Reverse Flow Check Valve . . . . . 41
Unit Will Not Operate In Either Direction . . . . 17
Charge Pump . . . . . . . . . . . . . . . . . . . . . . . . . . 42
No Cutting Units Operate . . . . . . . . . . . . . . . . . 17
Transmission Removal and Installation . . . . . . . 43
Front Reels Will Not Turn in Either Direction. . . 18
Disassembly of Transmission . . . . . . . . . . . . . . 44
Front Reels Turn in Only One Direction . . . . . . . .
Assembly of Transmission . . . . . . . . . . . . . . . . . 49
Front Reel(s) Turn Too Slow . . . . . . . . . . . . . . . 19
MOWING CIRCUIT REPAIRS . . . . . . . . . . . . . . . . 54
Front Reels Turn Too Fast. . . . . . . . . . . . . . . . . 20
Valve Block Service . . . . . . . . . . . . . . . . . . . . . . 54
Front Reels Turn in Only One Direction . . . . . . 20
Cartridge Valve Service . . . . . . . . . . . . . . . . . . . 55
Front Reels Stop Under Load . . . . . . . . . . . . . . 20
Cartridge Valve Identification . . . . . . . . . . . . . . . 56
Front Reel Speed Erratic. . . . . . . . . . . . . . . . . . 21
Pump Removal and Installation . . . . . . . . . . . . . 58
Front Reels Stop or
Pump Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Won’t Stop During Backlap Only . . . . . . . . . 21
Reel Motor Removal and Installation. . . . . . . . . 61
Rear Cutting Unit Problems . . . . . . . . . . . . . . . 21
Reel Motor Shaft Seal Replacement . . . . . . . . . 62
Cutting Unit(s) Will Not Raise . . . . . . . . . . . . . . 22
Reel Motor Repair . . . . . . . . . . . . . . . . . . . . . . . 63
Cutting Units Raise, But Will Not Stay Up . . . . . 23
Lift Cylinder Removal and Installation . . . . . . . . 64
Cutting Units Raise Too Fast or Too Slow . . . . . 23
Lift Cylinder Repair . . . . . . . . . . . . . . . . . . . . . . 65
Cutting Units Will Not Lower . . . . . . . . . . . . . . . 24
Flushing The Hydraulic System . . . . . . . . . . . . . 67
TESTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Inspecting Reservoir Parts . . . . . . . . . . . . . . . . 68
Test No. 1: Traction Circuit Charge Pressure . . 26
Reelmaster
®
5100-D
Page 4 - 1 Rev. A
Table of Contents
Содержание Reelmaster 5100-D
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Страница 8: ...Safety Instructions Page 1 4 Reelmaster 5100 D ...
Страница 12: ...Maintenance Interval Chart Maintenance Interval Chart Page 2 4 Rev A Reelmaster 5100 D ...
Страница 32: ...Troubleshooting Page 3 16 Reelmaster 223 D 5100 D ...
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Страница 90: ...Hydraulic Schematic Rev A Hydraulic Schematic Page 4 6 Reelmaster 5100 D ...
Страница 154: ...Logic Chart Page 5 2 Reelmaster 5100 D ...
Страница 155: ...Wiring Schematic S N Below 51001 Rev B Reelmaster 5100 D Page 5 3 Wiring Schematic ...
Страница 206: ...Repairs Page 5 48 Rev A Reelmaster 5100 D ...
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Страница 318: ...Commercial Products The Toro Company ...