Esco YELLOW JACKIT 10399 Manual de usuario
SPECIFICATIONS
Lifting
Capacity
Min.
Height
Max.
Height
Net
Weight
Air
Pressure
US Tons in. in. Lbs. psi
20 5.83 10.25 9.5 100-145
TROUBLE SHOOTING
Symptom Causes Remedy
Jack will not lift the load. 1. The release valve is not tightly closed.
2. The jack is overloaded.
3. inadequate air SUPPIV
1. Tighten the release valve
2. Rectify the overload condition.
3 Check and ensure adequate air Supply.
Jack bleeds off after lifting. 1. The release valve is not tightly closed.
2. The jack is overloaded
3. The hydraulics unit malfunctions.
1. Tighten the release valve.
2. Rectify the overload condition
3. Contact the local service center.
Jack will not lower after
Unloading.
1. The reservoir is over filled with Hydraulic fluid.
2. Linkage binding.
1 Drain fluid to the proper oil level.
2. Clean and lubricate moving parts.
Poor lifting performance. 1. Low fluid level.
2. Air is trapped inside the hydraulic system.
1. Ensure proper fluid level.
2. With the ram retracted. Remove the oil filler
plug. Pump the jack with the release valve
open to pressurize the air Reinstall the oil filler
Plug.
The jack will not lift to its
maximum height.
Low fluid level. Ensure proper fluid level.
PARTS LIST
No. Description Q'TY No. Description Q'TY
1-1 Snap Ring 1 1-26 Nut 1
1-2 Bushing 2 1-27 Butterfly Spring 1
1-3 O-ring 1 1-28 Screw 8
1-4 Ram Assy. 1 1-29 Base Cover 1
1-5 Piston Ring 1 1-30 Air Motor Housing 1
1-6 Washer 1 1-31 Steel Ball 4
1-7 O-ring 1 1-32 Nut 1
1-8 Ball retainer 1 1-33 Spring 1
1-9 Steel Ball 2 1-34 Washer 1
1-10 Oil Pump Welding Parts 1 1-35 Air Pump Plunger 1
1-11 Oil Filler Plug 1 1-36 Air Piston Base 1
1-12 Ball Seat 1 1-37 O-ring 2
1-13 Safety Valve Spring 1 1-38 Air Shuttle Valve 1
1-14 O-ring 2 1-39 O-ring 2
1-15 Pressure Adjusting Screw 1 1-40 Air Piston 1
1-16 Cap 1 1-41 Shuttle Valve Seal* 1
1-17 Steel Ball 1 1-42 O-ring 3
1-18 Release Rod 1 1-43 Screw 3
1-19 Cooper Washer 2 1-44t O-ring 2
1-20 Valve Block Assy. 1 1-45 O-ring 1
1-21 Nylon Gasket 1 1-46 Top Cover 1
1-22 Pump Cylinder 1 1-47 Release Oil Handle 1
1-23 Y-ring 1 1-48 O-ring Retainer 1
1-24 Nylon Gasket 1 1-49 Snap Ring 1
1-25 Copper Washer 1 2 Air Hose Assy. 1
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