VISUALLIST

VISUALLIST

1.Model view 2.Similarities and differences 3.Hydraulic system 4.Optional tool control system 5.Components 6.Right side of machine 7.Left side behind operator station 8.Pump compartment, right side of machine 9.Pilot manifold components 10.Main control valve group 11.Swing motor 12.Final drives 13.Engine components 14.Radiator 15.Maintenance schedule 16.Operator's station 17.Cab controls 18.Emergency engine shutoff switch 19.Hydraulic activation lever 20.Soft switch panel (312D) 21.Toggle and rocker switch panel (311D/314D) 22.Heating and air conditioning control panel (312D) 23.Heating and air conditioning control panel (311D/314D) 24.Back-up switches 25.Fuse panel 26.Monitor display 27.Directional and navigational buttons 28.Outline of display setup 29.Machine ECM inputs and outputs 30.Machine ECM 31.Engine speed control 32.Automatic engine control 33.One touch low idle 34.Engine speed protection 35.Travel speed control 36.Swing brake operation 37.Back-up system 38.Engine 39.Engine features 40.Component parts 41.Engine cylinder head 42.Fuel delivery system 43.Engine electronic control system 44.Engine ECM 45.Harness connectors 46.Engine components (top view) 47.Left rear compartment behind cab 48.Left side of engine 49.Right side of engine components 50.Fuel injection pump 51.High pressure fuel pump 52.Fuel temperature sensor 53.Common rail fuel manifold 54.Engine shutdown switch 55.High pressure fuel injector 56.Air intake and exhaust system 57.Inlet air heater 58.Air inlet heater relay 59.Inlet air temperature sensor 60.Pilot hydraulic system 61.Pilot pump 62.Pilot system filter 63.Pilot manifold 64.Pilot manifold - LOCKED 65.Pilot manifold - UNLOCKED 66.Hydraulic lockout lever - LOCKED 67.Hydraulic lockout lever - UNLOCKED 68.Hydraulic activation lever 69.Pilot controls 70.Pilot control valve 71.Travel pilot control valve 72.PWM solenoid valve 73.Pilot ports 74.Implement control valve - FULLSHIFT 75.Pilot logic network - NEUTRAL 76.Pilot logic network - TRAVELV

SHIFTED 77.Pilot logic network - TRV/IMPV

SHIFTED 78.Hydraulic system pumps and controls 79.Power shift pressure system 80.Proportional red. V- PWM increase 81.Proportional red. V- PWM decrease 82.Main hydraulic pumps group 83.Power shift PRVsolenoid 84.Pump schematic - STANDBY 85.Main pump control valve - STANDBY

VISUALLIST

86.Main pump control valve - UPSTROKE 87.Main pump control v. - CONSTANT

FLOW 88.Main pump control valve - DESTROKE 89.Hydraulic system main control valve 90.Main control valve group 91.Main control valve - NEUTRAL 92.Implement control valve - NEUTRAL 93.Implement control valve - INITIAL

MOVE 94.Implement control valve - FULLSHIFT 95.Hydraulic system - NEGATIVE FLOW 96.Implement control valve - FINE

CONTROL 97.Main relief valve 98.Straight travel cont v. - IMPL

ACTIVATED 99.Straight travel cont v. - TRV

ACTIVATED 100.Main relief valve - IMPLACTIVATED 101.Main relief valve - TRVACTIVATED 102.Line relief valve 103.Line relief valve - MAKEUP 104.Negative flow control valve 105.Return hydraulic system 106.Cooler bypass valve group 107.Slow return check valve and bypass valve 108.Hydraulic oil cooler 109.Pilot filter 110.Case drain filter 111.Hydraulic system - IMPLCIRCUITS 112.Boom circuit 113.Joysticks 114.Hydraulic system - BOOM CIRC

COMPS 115.Hydraulic system - BOOM RAISE

SLOW 116.Boom control valves - BOOM RAISE

PART 117.Hydraulic system - BOOM RAISE FAST 118.Boom control valve - BOOM RAISE

FULL 119.Hydraulic system - BOOM PRIORITY 120.Hydraulic system - BOOM LOWER 121.Boom elec regen - BOOM LOWER 122.Boom control valves - BOOM LOWER 123.Boom drift red valve - BOOM RAISE 124.Boom drift red valve - BOOM LOWER 125.Boom lowering control valves 126.Boom lowering control valve - HOLD 127.Boom lowering control valve - BOOM

RAISE 128.Boom lowering control valve - BOOM

LOWER 129.Hydraulic system - STICK CIRC 130.Stick hydraulic circuit - STICK OUT 131.Stick regen hyd circ - STICK IN SLOW w/o REG 132.Stick regen hyd circ - STICK IN FAST w/ REG 133.Stick regen hyd circ - UNLOAD V

ACTIVE 134.Stick regen valve - UNLOADING

ACTIVE 135.Stick drift reduction valve - NEUTRAL 136.Stick drift reduction valve - STICK OUT 137.Stick drift reduction valve - STICK IN 138.Hydraulic system - BUCKETCLOSE 139.Cylinders 140.Snubber operation 141.Hydraulic system - SWING 142.Swing system - NEUTRAL 143.Swing system components 144.Swing brake solenoid 145.Swing system - FULLSWING LEFT 146.Swing system - PARTIALSWING LEFT 147.Swing system - PRIORITY

OVERSTICK 148.Swing priority valve - NO PRIORITY 149.Swing motor 150.Swing parking brake - OFF 151.Swing parking brake - ON 152.Swing relief valve 153.Swing makeup circuit - MOVED TO

STOP 154.Slow return check valve and bypass valve

VISUALLIST

155.Anti-reaction valve - NEUTRAL 156.Anti-reaction valve - ACTIVATED 157.Swing drive 158.Planetary assembly 159.Swing drive - POWER FLOW160.

Pinion shaft rotation 161.Hydraulic system - TRAVEL 162.Travel system - NEUTRAL 163.Travel system components 164.Travel valves 165.Travel soft switch 166.Travel pilot control valve 167.Left travel motor - SLOWSPEED 168.Travel motor - SLOWSPEED 169.Displacement change v - LG

DISPLACEMENT 170.Left travel motor - HIGH SPEED 171.Travel motor - HIGH SPEED 172.Displacement change v - SM

DISPLACEMENT 173.Travel parking brake - RELEASED 174.Travel parking brake - ENGAGED 175.Travel brake valve - TRAVEL 176.Travel brake valve -

COUNTERBALANCE 177.Travel brake valve - STOPPING 178.Travel crossover relief valves -

NEUTRAL 179.Travel crossover relief valve - STALL 180.Travel circuit - MAKEUPOPERATION 181.Travel hyd sys - FORWARD/HIGH

SPEED 182.Straight travel control v - TRAVEL

NEUTRAL 183.Straight travel control v - TRAVEL

ACTIVATED 184.Swing motor 185.Swivel 186.Swivel cutaway 187.Conclusion