
12
WELDING
To avoid damage of electric and electronic assemblies, assemblies should be removed from the stacker before welding.
INSTALLATION
After repairing or replacing hydraulic components, electric elements, and electronic assemblies, confirm that all
components are at original positions before resuming use.
WHEELS
Wheel quality greatly affects the stability and driving performance of the stacker. Any change of wheels should be
approved by the manufacturer. During replacement of wheels, the stacker must be kept in an upright position. Wheels
must be replaced in pairs, (e.g. both left and right).
LIFTING CHAINS AND ROLLERS
Without proper lubrication, lifting chains and rollers will wear out prematurely. Maintenance intervals outlined in this
section are for normal operating conditions. In substandard operating conditions (high dust, extreme temperatures),
more frequent lubrication will be necessary.
HYDRAULIC OIL
Check hydraulic oil levels at least every 6 months and replace every 12 months. Replace only with hydraulic oil: ISO
VG32, with a viscosity of 32cSt at 100°F (40ºC). Capacity is approximately 4 quarts. Hydraulic oil line should be
replaced every six years. Hydraulic oil should be replaced at the same time.
DAILY MAINTENANCE (BEFORE EACH SHIFT)
1. Check the battery’s acid levels daily. Note that the acid level will rise during recharging.
2. Check battery terminals and cables for proper fit.
3. Make sure the battery box is securely fastened in its holder.
4. Check for any oil leakage.
5. Check the functionality of the parking brake.
6. Check the frame and wheels for any signs of damage.
MAINTENANCE AND INSPECTION
Complete and professional maintenance is an important part of safe stacker operation. Neglecting maintenance will cause
premature failure of the stacker and potential danger to persons and equipment.
NOTE:
Maintenance cycles stated in the Instruction Manual refer to single shift operation under normal conditions. Under
dusty conditions, extreme temperature variations, or when operating multiple shifts, maintenance cycles should be
shortened.
Maintenance should be performed according to the following intervals under normal conditions:
W1 = every 50 working hours or at least once per week.
M3 = every 500 working hours or at least once every three months.
M6 = every 1000 working hours or at least once every six months.
M12 = every 2000 working hours or at least once per year.
For newly commissioned stackers, the following additional maintenance should be done:
After 50 hours to 100 hours of operation or after 2 months of use:
Check for any loose nuts on the wheels and tighten as necessary.
Check for any leakage of hydraulic parts and tighten fittings as required.
MAINTENANCE SCHEDULE
Refer to Table 4 for weekly, monthly and yearly schedules.
Maintenance Area
Action
1
week
3
Months
6
Months
1
Year
Chassis and
Stacker Frame
Inspect for any damage of load bearing parts
•
Inspect all joints and bolts
•
Wheels
Inspect for wear and damage
•
Inspect bearings inside wheels and ensure a proper fit †
•
Steering System
Inspect steering operation motion
•
Brake
Inspect brake performance and adjust as needed
#
•
Check for brake wear
•
Lifting Equipment
Check performance, look for wear
•
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