Power Stak PPS2200-62NAS This manual covers PowerStak units with frame numbers starting with GC stamped into the mast and shipped March 2014 and after.
Presto Lifts Limited Power Stacker Warranty Policy Presto Lifts warrants the Power Stacker against defects on the mast, fork carriage, chains, pumps, DC motors, controllers, cylinders and wiring harnesses from faulty material and workmanship for a period of one (1) year from the date of invoice.
TABLE OF CONTENTS S E C T I O N 1: Limited Warranty ................................................................................................................................................2 Wheel Traction and Straddle Leg Set-Up ...........................................................................................................4 Introduction .........................................................................................................................................................
CRITICAL PROCEDURE FOR PROPER WHEEL TRACTION Proper Drive Wheel traction is obtained for the PowerStak Straddle unit using this Procedure $OO 3RZHU6WDN 0RGHOV DUH GHVLJQHG DQG LQWHQGHG WR RSHUDWH RQ DQ XQ¿QLVKHG FRQFUHWH ÀRRU VXUIDFH ,I DQ\ 3RZHU6WDN LV RSHUDWHG RQ VPRRWK RU SROLVKHG FRQFUHWH VHDOHG FRQFUHWH HSR[\ VHDOHG ÀRRU OLQROHXP RU RWKHU VPRRWK VXUIDFHV 'ULYH :KHHO WUDFWLRQ SHUIRUPDQFH PD\ EH DIIHFWHG ,I WUDFWLRQ LVVXHV DUH HQFRXQWHUHG Rubber Drive Wheels are available through special order.
SECTION 1 INTRODUCTION This manual attempts to provide all of the information necessary for the safe and proper installation, operation and maintenance of Presto Lifts Inc. battery operated, Power Stak. It is important that all personnel involved with the installation, maintenance or operator of the stacker read this manual. Additional manuals are available upon request or at www.PrestoLifts.com.
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.
SECTION 2 CERTIFIED OPERATOR TRAINING
The battery operated stackers are very powerful lifts capable of doing large amounts of work. DO NOT OPERATE THESE LIFTS WITHOUT CAREFULLY READING THIS MANUAL. In order to provide for the safe operation of these stackers, 3UHVWR /LIWV ,QF KDV LGHQWL¿HG FHUWDLQ KD]DUGV WKDW may occur during the maintenance and use of these lifts. For safety reasons these units are designed to be serviced or repaired in the fully lowered position.
WARNINGS DO NOT use this stacker until you have been trained and authorized to do so. DO NOT operate until you have read all warnings and instructions. DO NOT exceed load center or load weight capacities (check capacity plate). DO NOT operate until you have checked the conditions of the stacker: lift systems, forks, chains, and cables. DO NOT use if any part is damaged, worn or not working properly. DO NOT use on ramps or inclines. Only smooth level surfaces. DO NOT use for lifting or carrying people.
SECTION 4 OPERATION A. OPERATING INSTRUCTIONS: To Raise and Lower: There are two buttons located on both sides of the handle. The inside one is for lowering the forks. The outside one is for raising the forks. When operating, always make sure the load being lifted is within the loading capacity of your stacker and the load has been stacked safely on the pallet. Also, make sure that the length of the forks corresponds to the length of the pallet.
Inspect the lift for damaged or worn parts. Do not use if not in safe operating condition. Use lift on hard level surfaces only. Make sure load is evenly distributed, not loose or unstable, and is as far back on platform or forks as possible. Do not pick up loads on tips or forks or edge of platform. For fork models, adjust forks to the maximum practical width. Pick up loads on both forks. Do not overload. Check load center and load weight capacities on the nameplate.
DAILY OPERATOR CHECK LIST CHARGE CONDITION/BATTERY CHECK LIST 1. Check Battery Discharge Indicator (Fuel Gage and Hour Meter) – Be sure unit is showing proper Charge Level before operating unit 2. Check to be sure Charging Cord is Unplugged and properly stowed before operating unit 3. Inspect Battery Wire Connections – All connections should be tight with No Corrosion (white powder) showing at the Battery Terminals 4.
SECTION 5 A. PREPARING TO CHARGE A BATTERY DANGER Never alter the AC cord or plug provided. If it will QRW ¿W RXWOHW KDYH SURSHU RXWOHW LQVWDOOHG E\ D TXDOL¿HG HOHFWULFLDQ ,PSURSHU FRQQHFWLRQ FDQ UHVXOW LQ D risk of an electric shock. 1. Always turn off E-stop and key switch before working with the batteries. 1. Disconnect the charger from the 115 volt wall outlet once the indicators read fully charged. BATTERY MAINTENANCE 2.
SECTION 6 MAINTENANCE B. MONTHLY OPERATIONS MAINTENANCE CHECKS: %DWWHU\ PDLQWHQDQFH IUHH Operation of Presto Power Stak is very simple — as is their construction. They require very little maintenance. Reasonable care will result in excellent trouble-free performance. The Power Stak is designed for one-man operation and ease of performance. *UHDVH ÀRRU ZKHHOV DQG FDVWHUV DW OHDVW RQFH a month Use only Hydraulic Oil AW32 or Dextron III in the hydraulic system. Do not overload your lift.
SECTION 7 TROUBLESHOOTING Before starting the troubleshooting, you have to: A. Put the truck on an even and solid surface. B. Turn off key switch or disconnect the battery terminals.
Figure 2: Stacker Body Components Item 1 2 3 4 5 6 7 8 9 10 11 12 Description Spacer Load Wheel Bearing Spindle Bolt Straddle Leg (RH) Nut Bolt Bolt Seat Drive Wheel Cover Rear Cover Qty 4 2 4 2 4 1 10 10 2 1 1 1 PRESTO OWNER’S MANUAL Item 13 14 15 16 17 18 19 20 21 22 23 Description Chain Cover Straddle Leg (LH) Limit Cover Bolt Top Cover Stacker Body Assembly Screw Caster Assembly Bolt Spring Washer Nut Page 16 POWER STAK Qty 1 1 1 8 1 1 10 1 4 4 4
Figure 3: Control Pod 6 Control Pod Bottom Item 1 2 3 4 5 6 Description Lifting Switch Lowering Switch %XWWHUÀ\ 6ZLWFK Belly Button Stop Switch Horn Button Turtle Speed Switch Qty 2 2 1 1 1 1 PRESTO OWNER’S MANUAL Page 17 POWER STAK
Figure 4: Steering Component Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Description Drive wheel Assy Spindle Assy Spring Washer Bolt Seal Bearing Spindle Seat Bearing Bolt Spring Washer Washer Fixing Board Bolt Collar Spindle Lock Nut Qty 1 1 4 4 1 1 1 1 4 4 1 1 2 2 1 PRESTO OWNER’S MANUAL Item 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 Description Seat Connection Bolt Anchor Spindle Cover Lock Washer Nut Spindle Cover Screw Spring Washer Nut Micro Switch Bolt Snap Ring Spindle Collar A
Figure 5: Drive Unit Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Description Casing Gear Key Dust Cover Shaft Gear Bearing C Clip Electric Brake Bearing Key C Clip Gear Screw Flange Qty 1 1 1 1 1 2 1 1 1 2 1 1 4 1 PRESTO OWNER’S MANUAL Item 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Description Screw Bearing Seal Ring Gear Wheel C Clip Seal Ring Traction Motor Dust Ring Screw Screw Spacer Panel Page 19 POWER STAK Qty 3 1 1 1 1 1 1 1 1 1 10 3 1 1
Figure 6: Carriage Assembly Item 1 2 3 4 5 6 7 8 9 10 11 Description Block Roller Washer Bolt Fixed Pin, Chain Carriage Assembly Snap Ring Feed Shaft Bolt Nut Fork Assembly PRESTO OWNER’S MANUAL Page 20 Qty 4 4 4 4 1 1 2 1 2 2 2 POWER STAK
Figure 7: Mast Components Item 1 2 3 4 5 6 Description Chain Assembly Pivot Pin Spacer Wheel Chain Seat, Chain Wheel Snap Ring Qty 1 1 2 1 1 1 PRESTO OWNER’S MANUAL Item 7 8 9 10 11 12 Description Bolt Lift Cylinder U Bolt Outer Mast Assy Nut Control Valve Page 21 POWER STAK Qty 1 1 1 1 2 1
Figure 8: Power Unit Item 1A 1B 1C 2 3 4A 4B 5 6 6A Description Valve Block Relief Valve Unilateral Valve Throttle Valve Solenoid Valve Screw Plug, Metal Screw Plug, Plastic Coupling Motor Start Switch Qty 1 1 1 1 1 1 1 1 1 1 PRESTO OWNER’S MANUAL Item 6C 7 8 8A 9 10 11 12 12A 12B Description Bolt, Spring Washer O-Ring Gear Pump Bolt, Spring Washer Oil Hose, Return Oil Hose, Suction Oil Filter Oil Tank, Plastic Bolt, Spring Washer Cover, Oil Tank Page 22 POWER STAK Qty 2 1 1 4 1 1 1 1 4 1
Figure 9: Hydraulic System Item 1 2 3 4 5 6 7 Description Screw Washer Hydraulic Assembly L-Adaptor O-ring Oil Hose Adaptor PRESTO OWNER’S MANUAL Page 23 Qty 2 2 1 1 1 1 1 POWER STAK
Figure 10: Hydraulic Schematic PRESTO OWNER’S MANUAL Page 24 POWER STAK
Figure 11: Control Panel Item 1 2 3 4 5 PRESTO OWNER’S MANUAL Page 25 Description Controller Fuse Fuse Travel Contactor Lifting Contactor POWER STAK Qty 1 1 1 1 1
PRESTO OWNER’S MANUAL Page 26 POWER STAK 7ZR 9ROW %DWWHULHV &RQQHFWHG LQ 6HULHV Figure 12a: Electric Schematic Diagram - 24 Volt System
PRESTO OWNER’S MANUAL Page 27 POWER STAK 7ZR 9ROW %DWWHULHV &RQQHFWHG LQ 6HULHV Figure 12b: Electric Schematic Diagram - 24 Volt System
Figure 13: Battery Connection B+ BATTERY CHARGER POSITIVE CABLE 12V DC BATTERY BATTERY CHARGER MAIN POSITIVE BATTERY CABLE 92/7 6<67(0 BATTERY CONNECTING CABLE B+ B120 VAC 12V DC BATTERY B- BATTERY CHARGER NEGATIVE CABLE PRESTO OWNER’S MANUAL Page 28 POWER STAK MAIN NEGATIVE BATTERY CABLE
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 PRGL¿FDWLRQV WR WKH XQLW Presto Lifts can supply all replacement parts for your lift.
RESTOCKING POLICY PARTS 6WDQGDUG SDUWV PD\ EH UHWXUQHG ZLWK D UHVWRFNLQJ IHH 0RGL¿HG RU FXVWRP HQJLQHHUHG SDUWV are not returnable. Unfortunately, due to potentially concealed damage, all sales of electrical DVVHPEOLHV DUH ¿QDO 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. Presto Lift Inc.
RETURN MATERIALS AUTHORIZATION POLICY 3UHVWR /LIWV SURYLGHV WKH 5HWXUQ 0DWHULDOV $XWKRUL]DWLRQ 50$ 3ROLF\ IRU VSHFL¿F PRGHOV DV D courtesy to our distributors in the event they do not receive what they ordered. If a customer wishes to return a Presto Lifts product, please contact the Customer Service Department and request an 50$ QXPEHU 7KLV UHTXHVW PXVW EH PDGH RQ RU EHIRUH WKH ¿IWHHQWK FDOHQGDU GD\ IROORZLQJ WKH GDWH of Presto Lifts’ invoice for the merchandise. Not all units are returnable.
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.
