Presto Lifts HPT 50 Series Operating Instructions Manual

Hydraulic hand pallet trucks

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HPT

50 & 55 Series

Hydraulic Hand Pallet Trucks

Operating instructions

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

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Summary of Contents for Presto Lifts HPT 50 Series

Page 1 50 & 55 Series Hydraulic Hand Pallet Trucks Operating instructions 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 This 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: Table Of Contents
C O N T E N T S Handle Assembly Instruction ................... 6 FIGURE 1: LIFT EXPLODED VIEW (after September 2008) ............ 7 TABLE 1: LIFT ITEMS (after September 2008) ............... 8 FIGURE 2: LIFT EXPLODED VIEW (prior to September 2008) ..........9 TABLE 2: LIFT ITEMS (prior to September 2008) ..............
Page 4 Responsibility of Owners and Users Inspection and Maintenance The device shall be inspected and maintained in proper working order in accordance with Presto’s owner’s manual. Removal from Service Any device not in safe operating condition such as, but not limited to, excessive leakage, missing rollers, pins, or fasteners, any bent or cracked structural members, cut or frayed electric, hydraulic, or pneumatic lines, damaged or malfunctioning controls or safety devices, etc.
Page 5 SAFETY ALERT SYMBOLS AND SIGNAL WORDS The safety of all persons operating, maintaining, repairing, or in the vicinity of this equipment is of paramount concern. This is a powerful machine with moving parts, and is capable of causing personal injury if proper precautions are not taken.
Page 6: Handle Assembly Instruction
Handle Assembly Instruction 1. Make sure the symbol 2. Take out screw (1-21) on the handle and pump Hit out shaft (1012) are the same 3. Put handle on pump body, then 4. Insert chain through 5. Connect chain with acti- take out the chain from handle.
Page 7 Page 7 PRESTO OWNER’S MANUAL: HPT 50 & 55 SERIES —...
Page 8 After September 2008 Table 1. Lift Items Description Description Description Spring Copper Washer Sheath Spring Spring Bolt Roller Spindle of Damping Washer 4(8*) Elastic Pin U-Ring Bearing 4(8*) Elastic Pin Dust Ring C76a Single Fork Wheel 2(0*) Elastic Pin Spring C76b Double Fork Wheel 0(4*) Elastic Pin...
Page 9 Prior to September 2008 Figure 2. Lift Exploded View Page 9 PRESTO OWNER’S MANUAL: HPT 50 & 55 SERIES —...
Page 10 Table 2. Lift Items No. Description No. Description Handle assy Shaft Pump assy. Load wheel frame Spring pin Spring pin Bearing Shaft Spring pin Shaft Pressure plate Single load wheel assy. Circlip 37-8E Bearing Wheel shaft Washer Washer 37-5 Dust ring Steering wheel assy.
Page 11 Prior to September 2008 Figure 3. Pump and Handle Exploded View Page 11 PRESTO OWNER’S MANUAL: HPT 50 & 55 SERIES —...
Page 12 Prior to September 2008 Table 3. Pump and Handle Items No. Description Qty No. Description Qty Stop rubber 1-26 Seal UN32 Spring pin 1-27 Screw Handle 1-28 Pump cap Spring pin 1-29 O-ring P62 Spring pin 1-30 Ball 1-6 Lowering level (inger tip) B2-21 Washer Linkage...
Page 13: Instructions
forks or load. Do not carry passengers. Instruction Do not handle unstable or loosely stacked Raised Position loads. Use special care when handling long, high, or Depress the lever and pump handle until pallet has wide loads to avoid losing the load, striking by-stand- reached the desired height.
Page 14: Service Manual
HPT 50 & 55 Series Service Manual Page 14 — PRESTO OWNER’S MANUAL: HPT 50 & 55 SERIES...
Page 15: The Principle Of Hydraulic Pump
The principle of hydraulic pump (See figure 1-1) Lifting 1. Put finger tip (1-6) on Lifting Position; Lift handle, hydraulic oil flow from oil tank through channel A; Ball A open; Oil flow to piston through channel B. 2. Press handle; Ball A closed, Ball B open; Oil flow to sylinder from piston through channel B and channel C;...
Page 16: Troubleshooting
Troubleshooting 1. Truck will not lift 1.4a-c: Adjust the valve 1.4a: Release screw (1-40) 1.1: Release the air in pump Put the finger tip to lower position. Pump handle about 10 times. 1.4b: Screw nut (1-39) in a circle circle along counterclockwise direction 1.2: Check the chain (1-8) Check chain (1-8), if it doesn ot cross the shaft 1-12, please refit it.
Page 17 1.5a-e: Replace Valve Assembly (1-42) 1.5d: Screw out copper brush of valve 1.5a: Place the truck on its side assembly (1-42) 1.5b: Hit out spring pin (1-14) and take off lowering level (1-38) 1.5e: Take out valve corn of valve assem- bly (1-42) 1.
Page 18: Lift Drops Automatically
2.1d: Take out piston cylinder (1-31) 2. Lift drops automatically 2.1a-h: Renew Seal (1-33) 2.1a: Take out circlip B2-22 2.1e: Take cap off pump 2.1b: Screw off 1-27 2.1f: Pour out oil 2.1c: Take pump off from truck body 2.1g: Renew Seal (1-33) 2.1h: Pour in new oil Page 18 —...
Page 19: Lift Will Not Drop
3. Lift will not drop 4.2a-c: Leak from piston carriage 3.1 Check the chain (1-8) 1. Replace a broken chain 4.2a: Take out 1-17 2. Check the shaft (1-12) and screw (1-21). Be sure the shaft (1-12) is fixed on pump body by screw (1-21). If shaft (1-12) is not fixed, the chain will be damaged by handle operation.
Page 20: Wheel Problem
5. Wheel problem 5.1a-c: Problem of steering wheel 5.2b: Hit out shaft 5.1a: Take off the wheel cap 5.2c: Change load wheel 6. Change or add oil 6.1a-g: Change oil 6.1a: Take out circlip B22-2 5.1b: Take out circlip 11 5.1c: Change steering wheel 6.1b Screw off 1-27 5.2a-c: Change load wheel...
Page 21 6.1c: Take pump off of truck body 6.2a-b: Add oil 6.2a: Unscrew 1-27 6.1d: Take out piston cylinder 6.2b: Add oil 6.1e: Take cap off of pump 6.1f: Pour out oil 6.1g: Pour in new oil Page 21 PRESTO OWNER’S MANUAL: HPT 50 & 55 SERIES —...
Page 22: Three Month Maintenance Schedule
Ordering Replacement Parts Presto Lifts has carefully chosen the components in your unit to be the best available for the purpose. Replacement parts should be identical to the original equipment. Presto Lifts will not be responsible for equipment failures resulting from the use of incorrect replacement parts or from unauthorized modifications to the unit.
Page 23: Restocking Policy
PARTS Standard parts may be returned with a 20% restocking fee. Modified or custom-engineered parts are not returnable. Unfortunately, due to potentially concealed damage, all sales of electrical assemblies are final. QUALITY ISSUES Should you feel there is a quality problem, please contact the seller to ask questions and gather information on how to rectify the issue.
Page 24: Warranty
Presto Lifts Limited Warranty Policy Presto Lifts warrants all of its products against defects in the welded structural frame and, if ap- plicable, scissor legs from faulty material and workmanship for a one (1) year period from the date of invoice date...
Page 25 MANY NEEDS REQUIRE MANY OPTIONS... LET PRESTO MEET THOSE NEEDS! Call Presto Sales for stock or customized lift inquiries: 800-343-9322 Email: sales@prestolifts.com...

This manual is also suitable for:

Hpt 55 series