The Frank G. Hough HA PAYLOADER 23500, Operating Manual

Page 1: ...OPERATING MANUAL FOR MODEL HA PAYLOADER BEGINNING WITH SERIAL NUMBER 23 SOO FORM HA SO A MANUFACTURED BY H E F RAN K G H 0 UGH C O LIBERTYVILLE ILLINOIS LITHO IN U S A JAN 1952 ...

Page 2: ... orders should be placed and who should be called upon for any required information concerning proper operating and maintenance procedure OUR PAYLOADER DEALER 15 _ When ordering parts always give THE FRANK G HOUGH CO PAYLOADER dealer both the name and part number of the part required and also the serial number of the PAYLOADER IT IS THE POLICY OF THE FRANK G HOUGH CO TO IMPROVE ITS PRODUCTS WHEN E...

Page 3: ...CTION 11 Hydraulic Diagram Care of System 11 Draining the Hydraulic System 12 Bleeding the Hydraulic System 12 Hoist Cylinders Hydraulic Packing 12 Oil Reservoir Hydraulic 13 Pump Hydraulic 15 Valve _ Hydraulic 13 Pressure Relief _ Hydraulic Valve 15 Engine 19 Fan Belt 19 Oil Filter 20 Air _ cleaner 20 Clutch Adjustments 20 Drive Shaft Universal 21 Transmission 21 Drive Axle 21 Brakes _ Adjustment...

Page 4: ... anti friction bearings FINAL DRIVE Heavy duty double reduction spirafbevel and spur gear design First reduction spiral bevel with differential ahead of final drive Full floating axle shafts Completely equipped with ball and roller bearings CAPACITIES Cooling System Fuel Tank System Transmission Case Final Drive Differential Case Crankcase Hoist Reservoir 3 1 2 gal 6 1 2 gal 4 1 2 pints 5 1 2 pint...

Page 5: ...ING Heavy Duty Truck Recirculating Ball Type Steering Mechanism PNEUMATIC TIRES Ove rall Height Overall Width Overall Length Turning Radius Wheelbase Floor Clearance 5 1 1 8 4 2 1 4 10 1 6 11 3 10 1 4 0 5 PAYLOADER DIMENSIONS Bucket in carry position WEIGHT PAYLOADER EMPTY PAYLOADER WITH 1000 LBS IN BUCKET Front 2590 Rear 1970 Total 4560 Front 4560 Rear 1000 Total 5560 Variations in bucket size s ...

Page 6: ... r u t if z Q s 0 1 wO t w _J z 100 Cl 20 _J 0 r Cl s Fig 1 Operating Control 4 f r _j t O 0 f z Z 0 U C Z f 0 w Q_ r 0 0 0 LL ...

Page 7: ...and to keep air or water from entering the system Water entering the system will cause pump erosion at high velocities Air or water in the system will cause the oil to foam and the hoist to operate in a slow jerky manner 8 Check the Tire Pressures Be sure they are up to pressures recommended in the Specifications and Service Data Lists 9 Check the cooling system Refill with clean soft water free f...

Page 8: ...speed and direction of travel is selected by shifting a RANGE LEVER and a DIRECTIONAL LEVER These FRONT FORWARD HIGH NEU NEU REVERSE LOW DIRECTIONAL LEVER RANGE LEVER GEARSHIFT DIAGRAM levers are located at the right side of the steering column See the Operating Controls picture DIRECTIONAL LEVER is the longer lever adja cent to the right side of the steering column Shift this lever to drive the m...

Page 9: ... pedal to allow the machine to start evenly without jerking The r aismg speed of the booms and bucket is also governed by the accelerator DASH INSTRUMENTS The IGNITION SWITCH is on the left side of the dash panel and is a push pull type Pull this switch out to on position before pressing the starter button When in on position this switch completes the electrical circuit to the starter switch to th...

Page 10: ...retracted and hold the cutting edge at digging level Drive the machine for ward into the bank or stock pile letting the forward movement of the machine fill the bucket The loading operation is best done on level or slightly up hill terrain The inherent tendency is to dig in when working down grade Also backing up hill with a heavy load is difficult due to the increased weight on the drive wheels W...

Page 11: ...nstructions found on the container See Specification Data list for cooling system capacities Do not use a calcium chloride solution or any alkaline solution as an anti freeze as they are inju rious to metal Do not use fuel oil or kerosene as an anti freeze as they are injurious to rubber hoses Do not use alcohol as an anti freeze solution as it tends to boil away at average operating temperatures ...

Page 12: ...i fI o w I 20 lw8 t if Fig 2 Hydraulic Diagram 10 ...

Page 13: ... connection although oil will not leak out Air in the system will cause the oil to foam and interfere with the smooth action of the boom and bucket The unit will be noisy and the pump will howl The very small amounts of water in the system through condensation will evaporate when the oil becomes warm by operation However water sucked into the s y s t e m must be removed by draining the system or i...

Page 14: ...e bucket cylinder t h r 0 ugh its dumping cycles several times Remove the blocks or chains holding the boom in raised position Do not stand or work under the bucket when the blocking is removed Operate the boom by raising and lowerixig it sev eral times then allow the bucket to rest fully closed on the ground and shut off the engine 12 Inspect all connections and the drain plug for leaks at this t...

Page 15: ...oists Boots have been provided to protect the hoist plungers from nicks pits and scratches caused by flying material from the wheels The boots prevent It is recommended that the boots always be kept in place and torn or damaged boots be replaced promptly HYDRA ULIC OIL RESERVOIR The oil reservoir is located just under the oper ator s seat The oil level must be maintained up to the petcock level wh...

Page 16: ...PACKING WIPER RI I J U1 1 0 RING BLEEDER PLUG ET o RETAINING RING GUIDE RING PLUNGER Fig 3 HOIST PACKING DETAILS BOOM HOIST PLUNGER T PRESSURE RE LI EF VALVE Fig 4 HYDRAULIC VALVE 14 ...

Page 17: ...E PRESSURE RELIEF SEE FIG 4 To safeguard the pump and to maintain efficient operation of the machine the valve pressure relief must be set to operate at l200lbs pressure at full open engine throttle Check the valve pressure relief setting to each monthly inspection period 1 Insert a hydraulic gauge of approx 2500 lbs ca pacity into the air bleeder hole in the top of either boom hoist The bleeder h...

Page 18: ...l J J Z I D z u JW Z 0 uI I ZZ Q_O C 0 0 ULL 2 u u LLJ _J _J o I I 0 I o 01 1 Ii Fig 5 HYDRAULIC PUMP MOUNTING 16 ...

Page 19: ...the rotor E vane F and the cam ring G Be particularly careful to note the position of the rotor and vanes also the position of the ring pin p These parts may all be reassembled incorrectly if not carefully checked because of the fact that pro vision is made in the design for either right hand or left hand assembly The position of cam ring G should also be noted carefully These parts can all be rem...

Page 20: ... t C tI 00 C ENG TEMP GAUGE _ 1 c MACHINESOF SERIALNO S 23951 UP STARTER SWITCH HORN RELAY o MACHINESOF I _ flr r I SERIAL NO 5 t L_ t3J lIII 23500 THRU23590 o o o WIRING DIAGRAM SCHEMATIC FOR HA PALOADERS BEGINING WITH SERIAL NO 5 23500 c c ...

Page 21: ...connect the fuel line at the engine Disconnect the wiring from the engine 4 The engine is mounted at three points and rides on rubber cushions The cushions are protected by steel caps Two bolts hold the front end to the main frame at the flywheel housing and one bolt at the rear end of the engine under the hydraulic pump bracket 5 Pass cable slings under each end of the engine loosen the mounting ...

Page 22: ...il since oil drawn into and retained in the filter will reduce the oil level in the crankcase CLUTCH The clutch is a spring loaded dry disc foot op erated type The importance of proper use of the clutch pedal during Loader operation will save con siderable wear on the clutch release bearing and the clutch disc Riding the clutch causes rapid wear on the clutch release bearing and the tendency to fe...

Page 23: ...nect the rod Disconnect the clutch grease hose at the clutch housing Free the pump hose from the clutch housing Free the wiring loom from the clutch housing 5 Break the universal joint drive shaft at one of the yokes by removing the bolts holding the yoke to the center cross see Drive Shaft Removal 6 To free the transmission remove all bolts holding the clutch housing to the flywheel housing Use t...

Page 24: ...I TOI1 __ 2 FREE PEDAL PLAY CLEVIS ADJUSTING LOCK CLEVIS NUT Fig 7 CLUTCH PEDAL FREE PLAY M OBTAI N FREE PEDAL PLAY Fig 8 BRAKE PEDAL FREE PLAY u 22 ...

Page 25: ...t be free of air at all ttrn es To bleed the brakes proceed as follows 1 The longest fluid line from the master cylinder should be bled first Proper sequence is bleeding the left wheel and then the right Fill the master cylinder with brake fluid before bleeding the lines Clean off all dirt from around the master cylinder plug before removing the plug to fill the cylinder 2 Loosen the wheel cylinde...

Page 26: ...plug with correct lubricant Add GMC 4567 M Lubricant to keep full STEERING GEAR ADJUSTMENT Correct steering gear adjustment is very irnpor tant There are only two adjustments to be made but the following procedure must be adhered to ste b step See picture Steering Gear Adjustment y D STEERING GEAR ADJUSTMENT 1 Disconnect drag link from pitman arm taking care to note relative position of drag link ...

Page 27: ... pitman be so located on the serrated pitman shaft so that the turn ing of the front wheels is stopped by resistance within the steering gear before being halted by the axle stop blocks The axle stop blocks safeguard the steering gear from excessive strain by limiting the degree of turn Suggested pointers in locating a new pitman arm on the pitman shaft are as follows 1 Check and adjus t front whe...

Page 28: ... Fig 9 STEERING WHEEL LINKAGE VIEW or BUCKEr WlrH END REMOVED TO SHOW LOCAnON OF CUTTING ED f METHOD Of CUTTING EDGE REPLACMENT Fig 10 CUTTING EDGE REPLACEMENT END VIEw SHOWING POSITION OF _ rRAIGHr EDGE GRIND F mu__ curriN SMOOTH EDGE END VIEW SHOWING P01 lJON OF WEDGE o 26 ...

Page 29: ...a similar method for the upright ends of the cutting edge Burn through the width of the cutting edge at the bends Burn off the top weld of the ends with a gouging tip 4 Drive a cold chisel or wedge between the stiffen ing and the cutting edge to break the back weld Force the chisel between the bucket sides and the side portion of the cutting edge to remove the re maining ends Grind off the remaini...

Page 30: ... _J 81 61 IZ SI 171 LI 81 91 8 Al v JIOOIl J3d DIAl J3S g J3H 0 Al 33M 31 v JIl J8nl 0 All v O 3S v 3tl90 SlNIOd NOINJIl J8nl 01 GN393l 917 6 17 II 01 ...

Page 31: ...e a pressure gun when servicing the clutch release bearing 21 ENGINE OIL LEVEL DIPSTICK Located on the L H side of machine at flywheel housing Check the engine crankcase oil level daily or oftener if required Add oil as required to maintain the oil level up to the full mark on the dipstick Do not check the crankcase oil level with the engine running See item 31 22 AIR CLEANER CUP Clean and refill ...

Page 32: ... W_hen the crankcase oil has been changed and the filter properly serviced start the engine and let it run at idle speedfor about 10 minutes to fully sat urate the filter element with oil then shut off the engine Recheck the oil level ilthe engine crank case as it will have been lower d by oil being re tained in the filter Add oil to bing the crankcase oil level to proper height Inspe t the oil fi...

Page 33: ...ugs then remove them and insert the grease fitting Remove the grease fittings and replace the plugs after servicing so as not to upset the balance of the drive shaft Grease the drive shaft sparingly not oftener than every 1000 hours of operation Use a general purpose lubricant applied with a hand gun Dirt forced into these joints will shorten their period of usefulness considerably NOTE To prevent...

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