Gehl 1448 Plus Operator'S Manual Download Page 55 | Manualshive

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Printed in U.S.A

51

918215/CP0407

1448 PLUS

SCHEMATICS

Hydraulic Schematic

Fig. 34 - Hydraulic Schematic

Courtesy of Machine.Market

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Summary of Contents for 1448 Plus

Page 1: ...1448 Plus Asphalt Paver Beginning with Serial Number 18101 Form No 918215 OPERATOR S MANUAL Revision C 04 07 Courtesy of Machine Market...

Page 2: ...STATES DO NOT PERMIT THE EXCLUSION OR LIMITATION OF THESE WARRANTIES AND YOU MAY HAVE GREATER RIGHTS UNDER YOUR STATE LAW GEHL WARRANTY DOES NOT INCLUDE 1 Transportation to selling dealer s business l...

Page 3: ...al Power Glow Plug Glow Plug Indicator Battery Charge Engine Oil Pressure Engine Coolant Temperature Slow Fast Engine Rotational Speed Diesel Fuel Sprayer On Sprayer Off Sprayer Wand Read Operator s M...

Page 4: ...NOTES Courtesy of Machine Market...

Page 5: ...Capacities 18 Protective Guards and Warning Devices 18 Replacement Parts 18 Safety Decals 19 Chapter 5 Indicators and Controls 23 Guards and Shields 24 Circuit Breaker and In line Fuses 24 Indicator a...

Page 6: ...n 37 General Information 37 Engine Break in 37 Before Starting Engine 37 Starting the Engine 37 First Time Operation 38 Stopping the Paver 38 General Paver Operation 38 Walk around Inspection 38 Hands...

Page 7: ...3 Operator Services 54 Service Every 10 Hours or Daily 54 Spraying Asphalt Contact Areas 54 Check Fuel Tank Level 55 Check Engine Oil Level 55 Check Radiator Coolant Level 55 Check Instrument Operatio...

Page 8: ...63 Chapter 11 Troubleshooting 65 Engine 65 General Paver Problems During Operation 66 Paver Related Mat Problems 66 Material Delivery Compaction Related Mat Problems 67 Drive and Main Control Valves 6...

Page 9: ...mpartment is provided on the unit for storing the Operator s Manual After using the manual please return it to the storage compartment and keep it with the unit at all times If the machine is resold G...

Page 10: ...ce record the purchase informa tion and the model and serial numbers in the fol lowing spaces Purchased from ________________________ Date of Purchase _______________________ Model No ________________...

Page 11: ...ight Side Control Levers Air Cleaner Fuel Filler Cap Wash Down Wand and Tank Screed Engine and Hydraulic Pump Screed Adjust Screw each side Screed Extension Drive Track each side Hopper and Hopper Win...

Page 12: ...918215 CP0407 8 Printed in U S A INTRODUCTION 1448 PLUS NOTES Courtesy of Machine Market...

Page 13: ...86 x 622 mm Max Torque Engine Speed 80 lb ft 108 Nm 1200 rpm Max Engine Speed with no load 3210 25 rpm Lubricating System Forced lubrication with trochoid pump Fuel Injection System Direct Injection E...

Page 14: ...Drive Pump Maximum Relief Pressure 1800 psi 124 bar Track Relief Pressure 300 350 psi 21 24 bar Return Filter 5 Micron Suction Strainer 100 Mesh Auxiliary Oil Cooler Capacity 12 gpm 45 L min ELECTRIC...

Page 15: ...necessary I acknowledge that pre delivery procedures were performed on this unit as outlined on this page ____________________________________________ Dealership s Name ______________________________...

Page 16: ...918215 CP0407 12 Printed in U S A CHECKLISTS 1448 PLUS NOTES Courtesy of Machine Market...

Page 17: ...I acknowledge that pre delivery procedures were performed on this unit as outlined on this page ____________________________________________ Dealership s Name _________________________________________...

Page 18: ...918215 CP0407 14 Printed in U S A CHECKLISTS 1448 PLUS NOTES Courtesy of Machine Market...

Page 19: ...R It is the owner s responsibility to communicate information about the safe use and proper maintenance of the paver This includes providing understandable interpretations of these instructions for op...

Page 20: ...halt can cause serious skin burns Do not allow minors or any unqualified personnel to operate or be near the paver unless properly supervised Do not operate the paver in an enclosed area without adequ...

Page 21: ...d this warning could result in severe burns Dispose of all petroleum based oils and fluids properly Used motor oil may pose a health risk Wipe oil from your hands promptly and wash off any residue Use...

Page 22: ...with protective covers over the engine area in accordance with industry standards They are intended to offer protection to the operator from physical injury A horn is provided which can be activated f...

Page 23: ...Printed in U S A 19 918215 CP0407 SAFETY Continued Safety Decals 072798 L5942 L65927 Courtesy of Machine Market...

Page 24: ...918215 CP0407 20 Printed in U S A SAFETY Continued P204101 P204100 P210200 Courtesy of Machine Market...

Page 25: ...Printed in U S A 21 918215 CP0407 SAFETY Continued L65924 137628 Courtesy of Machine Market...

Page 26: ...918215 CP0407 22 Printed in U S A SAFETY Continued NOTES Courtesy of Machine Market...

Page 27: ...Control 10 Right Flow Gate Control 11 Left Screed Extension 12 Right Screed Extension 13 Variable Speed Control 14 Fuel Level Indicator 15 Engine Coolant Temperature 16 Engine Throttle 17 Hourmeter 1...

Page 28: ...ual components Indicator and Control Descriptions Refer to Fig 3 page 23 for locations Ignition Keyswitch Item 18 Fig 3 STOP Position When the key is vertical in the keyswitch power from the battery i...

Page 29: ...the lock ring G To increase engine speed loosen the throttle lock ring G press the red throttle release button E and pull the throttle control knob F out For fine adjustment of the throttle rotate the...

Page 30: ...e screed surface when paving Push the knob IN to divert engine exhaust out through the muffler Engine Coolant Temperature Indicator Item 15 Fig 3 The engine coolant temperature indicator shows engine...

Page 31: ...ydraulic reservoir fill plug to check the hydraulic fluid level or to add hydraulic fluid NOTE Before removing the hydraulic reservoir fill plug H allow the fluid to cool for 10 15 minutes Slowly loos...

Page 32: ...paver does not completely stop traveling when the speed control lever is in the neutral position adjustment is required See Adjusting Variable Speed Control on page 62 Travel Control Levers Items 2 3...

Page 33: ...vate the augers Move the levers to neutral to deactivate the augers Screed Platform Controls Screed Lift Control Lever Item 8 Fig 3 and Fig 20 Move the screed lift control lever rearward to lower the...

Page 34: ...nt Wing nuts B Fig 22 are used to adjust the side shoe plates on both sides of the screed Loosen the wing nuts to adjust the side shoe plates and re tighten when the adjustment is complete Mat Crown A...

Page 35: ...ee Screed Propane Heater Kit Operation Option on page 39 Accessories Gehl offers special accessories such as hopper cut off and block off plates and bolt on screed extensions Contact your area Gehl de...

Page 36: ...918215 CP0407 32 Printed in U S A INDICATORS AND CONTROLS 1448 PLUS NOTES Courtesy of Machine Market...

Page 37: ...ENANCE INTERVAL CHART SERVICE PROCEDURE Every10 Hours or Daily Every50 Hours or Weekly First 50 Hours Every 250 Hours Every 500 Hours Every 1000 Hours or Yearly Check Fuel Tank Level Check Fuel Filter...

Page 38: ...que Hubs Oil Level Change Fuel Filter Inspect Fuel Injection System Change Air Cleaner Element Change Radiator Coolant Check Exhaust System Change Hydraulic Reser voir Oil Sump Strainer Check Engine C...

Page 39: ...Printed in U S A 35 918215 CP0407 1448 PLUS MAINTENANCE Date Hours Service Procedure Courtesy of Machine Market...

Page 40: ...918215 CP0407 36 Printed in U S A MAINTENANCE 1448 PLUS Date Hours Service Procedure Courtesy of Machine Market...

Page 41: ...position Complete the following steps to start the engine 1 Turn the keyswitch to the STOP position 2 Set the throttle control to 1 3 open NOTE If starting a cold engine and the outside temperature i...

Page 42: ...lace all controls in neutral 3 Move the throttle to low idle 4 Lower the hopper and screed assembly to the full down position Allow the screed to cool before lowering for transport 5 Run the engine at...

Page 43: ...n the external area of both tracks three to four times during the work day 8 Clean all asphalt buildup in the screed platform exhaust ports located on each end of the screed 9 Clean all asphalt buildu...

Page 44: ...nd sprockets Any part of the paver that contacts asphalt WARNING Do NOT spray tracks before loading or unload ing paver on a truck or trailer because this could cause loss of traction Positioning the...

Page 45: ...ult Laying the Asphalt 1 If the paving width is wider than eight feet 2438 mm adjust the paving width by using the extension control levers 2 Move the speed travel control levers to the for ward posit...

Page 46: ...gers when the extensions are out and then only occa sionally The augers are only used for keeping the extended area fully charged with asphalt NOTE DO NOT leave the augers operating continuously unles...

Page 47: ...and serious personal injury or death 1 Use a pair of matching ramps that can support the weight of the paver The ramp width must be at least 1 1 2 times the track width and the ramp length must be at...

Page 48: ...11 If not rear loading proceed to step 12 If rear loading after the paver is on the vehicle bed place one track lever in and the other in reverse This rotates the paver sideways on the vehicle bed to...

Page 49: ...t turns counter clockwise to avoid bumping the rear edge of the screed on the bottom of the ramps This raises the rear edge of the screed approximately 1 25 mm Fig 29 Fig 29 Rear Edge of the Screed 9...

Page 50: ...lure The travel control levers must be locked into the float position Remove the lock lever move the control levers all the way forward and then replace the lock lever Do not tow the paver rearward or...

Page 51: ...nformation GREASING AND LUBRICATION This section contains greasing location and frequency information Wipe dirt from the grease fittings before greasing them to prevent contamination Avoid excessive g...

Page 52: ...ck 3 Grease pump speed control linkage 2 places 4 Grease screed adjustment linkage 4 places Fig 32 Replacement Filters Chart Engine Oil Filter Element Gehl P N 137500 Fuel Filter Element Gehl P N 1821...

Page 53: ...hematic for valves pumps motors cylinders and as a guide for troubleshooting and service reference See Hydraulic Schematic on page 51 ELECTRICAL SCHEMATIC Use the electrical schematic for instrumentat...

Page 54: ...918215 CP0407 50 Printed in U S A SCHEMATICS 1448 PLUS Electrical Schematic Fig 33 Electrical Schematic Courtesy of Machine Market...

Page 55: ...Printed in U S A 51 918215 CP0407 1448 PLUS SCHEMATICS Hydraulic Schematic Fig 34 Hydraulic Schematic Courtesy of Machine Market...

Page 56: ...918215 CP0407 52 Printed in U S A SCHEMATICS 1448 PLUS NOTES Courtesy of Machine Market...

Page 57: ...ways dispose of waste lubricating oils anti freeze and hydraulic fluids according to environmental laws or take them to a recycling center for disposal DO NOT pour them onto the ground or into a drain...

Page 58: ...Re install all guards covers and reconnect the battery WARNING Do not smoke or allow any open flames in the area while checking or servicing hydraulic battery fuel or propane systems all contain high...

Page 59: ...e the radiator cap when the engine is running hot or overheated Coolant is extremely hot and under pressure and it can burn your skin Allow sufficient time for the radiator to cool before relieving th...

Page 60: ...tem pressure by loosening the fill plug or the breather cap on the top of the backwall console shown in Change Hydraulic Filter on page 59 NOTE Use a 3 4 drive socket wrench handle to remove the fill...

Page 61: ...system WARNING The ONLY safe method for jump starting a discharged battery is for TWO PEOPLE to perform the following procedure The second person is needed for removing the jumper cables so that the o...

Page 62: ...tches 1 Fig 37 securing the air cleaner cover 2 2 Remove the cover and the air cleaner element 3 3 Refer to the engine manual for air cleaner element servicing information or replace the element with...

Page 63: ...6 Install a new hydraulic filter element 2 on the filter head and hand tighten Change Engine Oil and Filter Replace the engine oil filter when changing the engine oil 1 Run the engine until it reaches...

Page 64: ...o clock position 2 Remove the check plug 1 Fig 41 at the 3 or 9 o clock position If oil appears replace the plug If oil does not appear remove the fill plug 2 and add oil until it flows from the chec...

Page 65: ...and drain the coolant into a suitable container After all coolant is drained flush the system with clean fresh water IMPORTANT DO NOT discharge coolant onto the ground Contain and dispose of coolant a...

Page 66: ...l injury 1 Place the travel control and variable speed control levers into the neutral positions 2 Turn off the engine 3 Locate neutral linkage Fig 43 underneath the console against the backwall behin...

Page 67: ...and check all fluid levels to make sure that they are at the proper level before starting the engine 2 Start the engine run it until it warms up and then move the machine a short distance to help lubr...

Page 68: ...918215 CP0407 64 Printed in U S A SERVICE AND STORAGE 1448 PLUS NOTES Courtesy of Machine Market...

Page 69: ...wiring connections Starter motor does not have enough power to turn the engine over Battery defective Charge battery Starter motor defective Repair replace starter Wiring connections are broken or loo...

Page 70: ...eed plugged Clear ports Outside air too cold and or windy Use propane heater while paving Problem Possible Cause Corrective Action Wavy surface ripples 1 Fluctuating head of materials Maintain full he...

Page 71: ...of mix temperature Asphalt plant burners not heating consistently Wavy surface long waves See Causes 1 5 6 7 Trucks bumping finisher Stop truck short of paver and drive paver to truck 8 Truck holding...

Page 72: ...unger cap filled with oil Replace seal on end of cap Restriction at spool internal stop Remove restriction Replace entire valve section and spool assembly Pressure too high Adjust pressure Lever or li...

Page 73: ...lace Slow response to acceleration or deceleration See cause 8 See corrective action for Causes 1 3 8 and 9 See cause 11 See corrective action for Causes 1 3 9 and 11 12 Low charge pressure See correc...

Page 74: ...uit and repair Faulty terminations Fuse open Faulty starter switch Replace switch Battery not charged Recharge battery Battery discharges and or will not recharge Terminals and or cables are loose or...

Page 75: ...Printed in U S A 71 918215 CP0407 1448 PLUS TROUBLESHOOTING NOTES Courtesy of Machine Market...

Page 76: ...918215 CP0407 72 Printed in U S A TROUBLESHOOTING 1448 PLUS Courtesy of Machine Market...

Page 77: ...the clean surface while maintaining proper position and alignment Slowly peel off the other portion of the backing paper while applying hand pressure to smooth out the decal surface CAUTION ALWAYS fol...

Page 78: ...918215 CP0407 74 Printed in U S A DECAL LOCATIONS 1448 PLUS 2 3 7 9 10 11 1 10 17 19 20 21 22 25 23 24 24 26 26 25 Courtesy of Machine Market...

Page 79: ...Printed in U S A 75 918215 CP0407 1448 PLUS DECAL LOCATIONS 8 14 4 5 6 15 18 17 12 13 16 Courtesy of Machine Market...

Page 80: ...918215 CP0407 76 Printed in U S A DECAL LOCATIONS 1448 PLUS NOTES Courtesy of Machine Market...

Page 81: ...ols 23 International Indicator and Operation Symbols ii Introduction 5 L Lubrication 47 O Operation 37 Operator s Manual Introduction 6 P Paver Controls Components Identification 7 Performance Specifi...

Page 82: ...918215 CP0407 78 Printed in U S A INDEX 1448 PLUS NOTES Courtesy of Machine Market...

Page 83: ...9 10 17 19 75 86 13 14 12 14 25 25 9 10 18 20 3 8 16 3 8 24 7 16 14 7 16 20 20 23 32 36 15 17 24 27 30 35 50 55 23 25 35 40 45 50 70 80 35 35 55 60 1 2 13 1 2 20 9 16 12 9 16 18 50 55 70 80 35 40 55 6...

Page 84: ...djustment or main tenance of the machine contact your dealer or the Gehl Company Service Department before starting or continuing operation California Proposition 65 Warnings Diesel engine exhaust and...

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