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AIR HYDRAULIC SCISSOR TABLE

MODEL AHLT

ITEM

NUMBER

1

2

3

4

4A

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

PART
NUMBER

ST-SPRGPIN

ST-CYLPIN

ST-CYLBRG

ST-CYL

ST-CYLSLKT

ST-RLPIN

ST-RLR

ST-RLRBRG

ST-RLRWSHR

ST-RLRNRG

ST-HNGPIN

ST-HNGBRG

ST-GRSZRK

ST-PVTBRG

ST-PPRP

ST-PVTPIN

ST-PVTPIN

ST-HNGRNUT

ST-HNGRWSH

ST-TGRDCNR

ST-TGRDRAIL

ST-TGRDSW

ST-TGRDSCR

ST-STBLK

DESCRIPTION

CYLINDER MOUNT SPRING PIN

CYLINDER MOUNT PIVOT PIN

CYLINDER MOUNT BEARING

HYDRAULIC CYLINDER

CYLINDER SEAL KIT (NOT PICTURED)

ROLLER PIN

ROLLER

ROLLER BEARING

ROLLER WASHER

ROLLER SNAP RING

HINGE PIN

HINGE PIN BEARING

PIVOT PIN GREASE ZERK

PIVOT PIN BEARING

PIVOT PIN ROLL PIN

PIVOT PIN

PIVOT PIN WASHER

TOE GUARD HANGER NUT

TOE GUARD HANGER WASHER

TOE GUARD CORNER PIECE

TOE GUARD ALUMINUM RAIL

TOE GUARD SWITCH

TOE GUARD SWITCH RETAINING SCREW

SAFETY STOP BLOCK

QTY

1

1

2

1

1

4

4

4

4

4

4

4

2

2

2

2

2

4

4

4

4

2

4

1

**PLEASE SUPPLY SERIAL NUMBER AT TIME OF ORDER**

Summary of Contents for AHLT Series

Page 1: ...power unit requires a minimum air supply of 70 CFM at 70 PSI AHLT SERIES AIR HYDRAULIC SCISSOR TABLES OWNER S MANUAL Revised11 13 A company dedicated to solving ergonomic and material handling problems since 1955 AIR HYDRAULIC SCISSOR TABLE MODEL AHLT Website www vestil com Ergonomic Solutions Contents Safety Precautions 1 Operation 1 4 Installation Instructions 2 Pneumatic Hydaulic Circuit Diagra...

Page 2: ...a level even surface a Anchor the table to the floor with appropriately matched anchor bolts b Measure the diameter of the bolt holes in the base of the frame and install bolts that are at least 4in long to anchor the table to the floor c Shim the table to level it Grout under the base of the table to provide additional resistance to warping and bending forces applied to the base between shims Gro...

Page 3: ...ontrols the lowering speed of the table It is preset and cannot be changed Releasing the LOWER control button deenergizes the solenoid and closes the valve poppet This prevents oil from returning to the reservoir and consequently the cylinders stop retracting The deck will maintain its elevation Cartridge Valves The lowering valve as discussed above is of cartridge construction and is virtually ma...

Page 4: ...s current elevation Be certain no person or object is in the way while the unit descends If the unit is overloaded the deck will not rise Instead the relief valve will open due to excessive pressure buildup ans oil will bypass the cylinder and flow into the reservoir Always remember 1 the motor operates only while the RAISE button is pressed and 2 the lowering solenoid valve is energized only whil...

Page 5: ...5 HYDRAULIIC LINE AIR SUPPLY LINE AIR PILOT LINE PNEUMATIC HYDRAULIC CIRCUIT DIAGRAM NOTE Operation of this machine without a filter lubricator will void the warranty ...

Page 6: ...6 AHLT SREIES AIR HYDRAULIC SCISSOR TABLES ...

Page 7: ...ESCRIPTION CYLINDER MOUNT SPRING PIN CYLINDER MOUNT PIVOT PIN CYLINDER MOUNT BEARING HYDRAULIC CYLINDER CYLINDER SEAL KIT NOT PICTURED ROLLER PIN ROLLER ROLLER BEARING ROLLER WASHER ROLLER SNAP RING HINGE PIN HINGE PIN BEARING PIVOT PIN GREASE ZERK PIVOT PIN BEARING PIVOT PIN ROLL PIN PIVOT PIN PIVOT PIN WASHER TOE GUARD HANGER NUT TOE GUARD HANGER WASHER TOE GUARD CORNER PIECE TOE GUARD ALUMINUM ...

Page 8: ...se c Foreign material in flow control valve d Binding cylinders e Foreign material in velocity fuse a Correct as necessary b Add fluid Refer p 10 parts B1 and C for proper fluid level and type c DO NOT CHANGE RELIEF VALVE SETTING Instead reduce the load to rated capacity d Remove and clean e Inspect all fittings for proper fit f Remove and clean g Remove solenoid valve Check and clean Refer to p 3...

Page 9: ...n press the down button d See 1 h e To unlock the fuse repressurize the hydraulic system f Refer to p 3 Velocity Fuse a Leaking hoses and or cracked fittings b Check valve is stuck open The combination of a stuck Check Valve and open Soleniod Valve will cause excessive speeds c Foreign material stuck in Flow Control Valve In this case table lowers initially at a normal rate then speeds up as the p...

Page 10: ...il should be 1 to 1 1 2 below the top of the reservoir tank with the deck fully lowered Add oil if necessary 2 Check for oil leaks see Troubleshooting on p 8 9 Resolve the issue as described 3 Check roller bushings axle pins clevises and pivot points for severe wear 3 Check the hydraulic system for worn or damaged hoses Replace damaged hoses as necessary 4 Inspect each roller for looseness and sev...

Page 11: ...11 LABEL PLACEMENT DIAGRAM ALL LABELS MUST BE UNDAMAGED AND READABLE ORDER REPLACEMENT LABELS WHEN NECESSARY Copyright 2013 Vestil Manufacturing Co ...

Page 12: ...s defects in the following original dynamic components motors hydraulic pumps electronic controllers switches and cylinders It also covers defects in original parts that wear under normal usage conditions wearing parts such as bearings hoses wheels seals brushes and batteries How long is the warranty period The warranty period for original components is 1 year The warranty period begins on the dat...

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