Presto Lifts HPT 50 Series Operating Instructions Manual Download Page 18 | Manualshive

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PRESTO OWNER’S MANUAL: HPT 50 & 55 SERIES

2. Lift drops automatically

2.1a-h: Renew Seal (1-33)

2.1a: Take out circlip B2-22

2.1b: Screw off 1-27

2.1c: Take pump off from truck body

2.1d: Take out piston cylinder (1-31)

2.1e: Take cap off pump

2.1f: Pour out oil

2.1g: Renew Seal (1-33)

2.1h: Pour in new oil

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Summary of Contents for HPT 50 Series

Page 1: ...ctions spare parts list service manual Model Number ___________________ Serial _________________________ Date Placed in Service _____________ IMPORTANT READ CAREFULLY BEFORE INSTALLING OR OPERATING LIFT Part orders are subject to a 50 minimum charge September 2015 ...

Page 2: ...s manual was current at the time of printing To obtain the lat est most updated version please contact Presto Lifts Customer Service Department or go to our website www PrestoLifts com you will find a complete list of current owner s manuals to print ...

Page 3: ...ember 2008 10 FIGURE 3 PUMP AND HANDLE EXPLODED VIEW prior to September 2008 11 TABLE 3 PUMP AND HANDLE ITEMS prior to September 2008 12 Instructions 13 Service Manual 14 The Principle of Hydraulic Pump 15 Troubleshooting 16 1 Truck will not lift 16 17 2 Lift drops automatically 18 3 Lift will not drop 19 4 Truck is leaking 19 5 Wheel Problem 20 6 Change or Add Oil 20 21 Three Month Maintenance Sc...

Page 4: ...tructions Operators Only trained personnel and authorized personnel shall be permitted to operate PowerStak Before Operation Before using the device the operator shall have Read and or had explained and understood the manufacturer s operating instructions and safety rules Inspected the device for proper operation and condition Any suspect item shall be carefully ex amined and a determination made ...

Page 5: ...sed to alert you to potential physical injury haz ards Obey all safety messages that follow this symbol to avoid possible injury or death For use with DANGER signal word Red Background For use with WARNING signal word Orange Background For use with CAUTION signal word Yellow Background Signal Words The meaning of different signal words as defined by ANSI Standard Z535 4 indicates the relative seri...

Page 6: ...out shaft 1012 3 Put handle on pump body then take out the chain from handle Hit in shaft 1 12 4 Insert chain through shaft 1 12 5 Connect chain with acti vator 1 38 6 First put spring pin 1 21 in pump Then put in screw 1 21 7 Take out steel axle from pump 8 Depress pump handle about 10 times while keeping fingertip on Lower Position to release air from pump ...

Page 7: ...PRESTO OWNER S MANUAL HPT 50 55 SERIES Page 7 Figure 1 Lift Exploded View After September 2008 ...

Page 8: ... C48 O Ring 1 C49 Cylinder Liner 1 C50 O Ring 1 C51 U Ring 1 C52 Plug 1 C53 Copper Wash 1 C54 Lever Plate 1 C55 Nut 1 C56 Regulate Screw 1 C57 Spring 1 C58 O Ring 1 C59 Valve Tappet 1 C60 Copper Washer 1 C61 Cupreous Sheath 1 C62 O Ring 1 C63 Rocker Arm 1 C64 Oiler 4 C65 Pin 2 C66 Oiler 9 C68 Inside Hex Screw 1 C69 Fork Frame 1 C70 Nut 2 C71 Pilot Wheel 2 No Description Qty C72 Sheath 2 C73 Bolt 2...

Page 9: ...PRESTO OWNER S MANUAL HPT 50 55 SERIES Page 9 Figure 2 Lift Exploded View Prior to September 2008 ...

Page 10: ...bush 2 14 1 Copper bush 2 14 2 Copper bush 2 14 3 Copper bush 4 14 4 Copper bush 2 15 Spring pin 2 16 Push pod 2 17 Spring pin 4 18 Exit roller 4 19 Spring pin 2 No Description Qty 20 Shaft 2 21 Load wheel frame 2 22 Spring pin 2 25 Shaft 2 26 Shaft 2 28 Single load wheel assy 37 8E Bearing 6 27 Washer 2 37 5 Dust ring 6 37 7 Circlip 6 37 Load sheel 2 27 1 Washer 4 27 A Bush 4 37 3B Wheel plate 2 ...

Page 11: ...PRESTO OWNER S MANUAL HPT 50 55 SERIES Page 11 Figure 3 Pump and Handle Exploded View Prior to September 2008 ...

Page 12: ... 1 1 20 Seal DH18 1 1 21 Screw 1 1 21A Spring pin 1 1 22 Pump body 1 1 23 Washer 2 1 24 Screw plug 2 1 25 O ring 1 No Description Qty 1 26 Seal UN32 1 1 27 Screw 1 1 28 Pump cap 1 1 29 O ring P62 1 1 30 Ball 1 B2 21 Washer 1 B2 22 Circlip 1 1 31 Cylinder 1 1 32 O ring P31 1 1 33 Seal UN32 1 1 34 Pin 1 1 35 O ring 1 1 36 O ring 1 1 37 O ring 1 1 38 Activator 1 1 39 Bolt 1 1 40 Nut 1 1 41 Spring pin...

Page 13: ... operate damaged or faulty trucks Do not attempt repairs unless you are trained and authorized to do so 3 Operate Hand Pallet Trucks only from the designated operating position Never place any part of your body in the lifting mechanism or under the forks or load Do not carry passengers 4 Do not handle unstable or loosely stacked loads Use special care when handling long high or wide loads to avoid...

Page 14: ...Page 14 PRESTO OWNER S MANUAL HPT 50 55 SERIES HPT 50 55 Series Service Manual ...

Page 15: ...piston through channel B and channel C Cylinder lifted Truck lifted Lower 1 Put finger tip 1 6 to Lowered Position 2 Part 1 39 move at D1 direction Ball A and ball B open Oil flow to oil tank from cylinder through chan nel C ball B and channel A Transport 1 Put finger tip 1 6 to Neutral Position Part 1 39 move at D1 direction Ball A open 2 Lift handle Oil flow to piston from oil tank through chann...

Page 16: ...the chain 1 8 Check chain 1 8 if it doesn ot cross the shaft 1 12 please refit it 1 4a c Adjust the valve 1 4a Release screw 1 40 1 4c Check if it can be lifted If it still does not lift move to step 1 5 If the truck lifts 1 Lift the truck to the top postiion 2 Put the fingertip to 1 4c position screw nut 1 39 conuterclockwise until the Hand Pallet Truck starts to lower 3 Screw 1 40 1 4b Screw nut...

Page 17: ...side 1 5b Hit out spring pin 1 14 and take off lowering level 1 38 1 5d Screw out copper brush of valve assembly 1 42 1 5c Take the cylinder to the top position 1 5e Take out valve corn of valve assem bly 1 42 1 Install new valve assembly 1 42 including copper brush valve 2 Fit spring pin 1 38 3 Repeat step 1 4 ...

Page 18: ... Lift drops automatically 2 1a h Renew Seal 1 33 2 1a Take out circlip B2 22 2 1b Screw off 1 27 2 1c Take pump off from truck body 2 1d Take out piston cylinder 1 31 2 1e Take cap off pump 2 1f Pour out oil 2 1g Renew Seal 1 33 2 1h Pour in new oil ...

Page 19: ...ump body by screw 1 21 If shaft 1 12 is not fixed the chain will be damaged by handle operation If the chain and shaft have no prob lem continue to step 3 2 3 2 Replace valve assembly 1 42 Refer to step 1 5 4 Pallet Truck is leaking 4 1a b Leak from piston 4 1a Take out 1 17 4 1b Renew seal 1 19 1 20 4 2a c Leak from piston carriage 4 2a Take out 1 17 4 2b Take out 1 18 4 2c Renew seal 1 32 ...

Page 20: ... steering wheel 5 1a Take off the wheel cap 5 1b Take out circlip 11 5 1c Change steering wheel 5 2a c Change load wheel 5 2a Take out spring pin 22 23 24 5 2b Hit out shaft 5 2c Change load wheel 6 Change or add oil 6 1a g Change oil 6 1a Take out circlip B22 2 6 1b Screw off 1 27 ...

Page 21: ...NER S MANUAL HPT 50 55 SERIES Page 21 6 1c Take pump off of truck body 6 1d Take out piston cylinder 6 1e Take cap off of pump 6 1f Pour out oil 6 1g Pour in new oil 6 2a b Add oil 6 2a Unscrew 1 27 6 2b Add oil ...

Page 22: ...subject to the following terms FOB factory Returns only with the approval of our parts department Credit cards preferred except parts covered by warranty Freight collect for truck except parts covered by warranty Freight prepaid and invoice for small parcel shipments except parts covered by warranty The warranty for repair parts is 30 days from date of shipment Parts replaced under warranty are on...

Page 23: ...n on how to rectify the issue Presto Lift Inc reserves the right to determine potential credits as a result of factory defects based on its inspection of the merchandise GENERAL All products shipped from our factory have passed Quality Assurance inspection and testing The carrier of choice has signed for and accepted the product in new working condition The customer should inspect to ensure it is ...

Page 24: ...does not cover labor expense for removal or reinstallation of components after thirty days This limited warranty shall not cover among other things damages resulting from foreign matter or water failure to provide reasonable and necessary maintenance and if ap plicable use of product while charger is plugged into an AC outlet or failure to follow operating instructions The limited warranty is not ...

Page 25: ...LET PRESTO MEET THOSE NEEDS MANY NEEDS REQUIRE MANY OPTIONS Call Presto Sales for stock or customized lift inquiries 800 343 9322 Email sales prestolifts com ...

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