Perform the periodic inspections for safe operation.
1. Ensue that tha chain is not rusted, broken, cracked, or missing links (Monthly)
2. Ensure that battery terminal cover is without abnormality (Monthly)
3. Check the sliding portion of roller inside post, grease fitting of the chain
bracket portion, and grease up the chain. (Every 6 months)
4. Ensure that the density of each battery cell is 1,270 (at 20°) or greater
after charging. (Every 6 months)
5. Change the motor oil (Every 12 months)
■ Types of Hydraulic Oil
■ Replacing Battery
Viscosity classification ISO VG32 abrasion
Battery used for this stacker is
resistant hydraulic fluid oil;
JIS standard battery. Make sure to
Fluid volume : 1.6 liters
replace with same standard spec.
Oil Brand
Product Name
Applicable Model No.
JIS Spec.
Esso
Nuto H32, HP32, Unipower SQ32
STL38E, ST38E
GR-55B24R
Idemitsu
Super Hydraulic Fluid 32
STL50E, ST50E, ST50EWN,
Showa Shell
Terasu Oil 32, K32
ST30EWW, STL65E, ST65E, ST80E,
Mobile
Mobile DTE24
ST80EWW, ST100E, ST100EWN,
Cosmo
Cosmo Hydro AW32
STW38E
Kygnus
Unit Oil WR32
STW50E, STW65E
GX-130E41R
The below show how to deal with relatively minor malfunctions. For other further issues,
please contact your supplier of this stacker.
・Wiring defects
・Battery Socket is loose
Fix the socket firmly
Check battery and charge
Readjust Relief Valve
・Power Unit(Pump) defects
Replace Power Unit (Pump)
・Hydraulic Oil is not full
Fill the oil
Replace Lowering Valve
・Piping defects
Repair location of leak
・Piping defects
・Defective Lowering Valve
Replace Lowering Valve
At Cylinder
・Defective Seals
Replace Cylinder seales
At Pipe or Joint
・Improper fastening
Check and Fasten
At Air Breather
・Excessive Oil
Adjust fluid to appropriate level
When disposing of this stacker, dispose of the metal, non-metal, plastic, and hydraulic oil
components separately. There are regulations for disposing of the hydraulic oil, so make
sure to sourt and follow the local rules. If you have any questions regarding disposal,
please check with your supplier of the stacker.
- 6 -
Check through 【Actual Wiring
Schematic】
Do not lower
Oil Leak
・Defective seating of
Lowering Valve
Lowers natually
・Battery is not fully charged
Motor does not run
・Relief Valve is not
adjusted Properly
Motor is running
GR-95D31R
Symptoms of malfunction
Possible Cause
Action
Check through 【Actual Wiring
Schematic】
Does not
rise
・
Make sure to remove the battery socket before work.
・
Always be cautious of a short circuit.
・
DO NOT mistake the (+) and (-) terminals.
・
Make sure to cover the (+) terminal.
・
Make sure to secure the battery with a battery clamp to prevent vibrating etc.
Summary of Contents for ST30EWW
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