Troubleshooting - BorMann PRO BWR2511 Manual

EN

8. Troubleshooting

WARNING: If the truck has malfunctions follow the instructions, mentioned under chapter 7.
No. Problem
1 Forks don't raise, don't raise fully or raise slowly
2 Forks don't lower or don't lower fully
Forks lower without putting the control lever in
3 the "lower" position
4
Oil leakage
* The manufacturer reserves the right to make minor changes to product design and technical specifications without prior notice unless these changes signif-
icantly affect the performance and safety of the products. The parts described / illustrated in the pages of the manual that you hold in your hands may also
concern other models of the manufacturer's product line with similar features and may not be included in the product you just acquired.
* To ensure the safety and reliability of the product and the warranty validity, all repair, inspection, repair or replacement work, including maintenance and
special adjustments, must only be carried out by technicians of the authorized service department of the manufacturer.
* Always use the product with the supplied equipment. Operation of the product with non-provided equipment may cause malfunctions or even serious
injury or death. The manufacturer and the importer shall not be liable for injuries and damages resulting from the use of non-conforming equipment.
7
Possible Causes
a. Low hydraulic fluid level or impurities in oil.
b. Control lever is out of adjustment.
c. Load is too heavy. Overload release valve is
being activated.
d. Temperature is too low and the hydraulic oil
has become too thick.
e. Air in the hydraulic oil.
a. Obstacle located under truck, in fork mech-
anism, etc.
b. Control lever is out of adjustment
c. Fork was left in a raised position for an ex-
tended time causing exposed piston rod to rust.
d. The piston rod or pump is deformed due to
over-loading or uneven loading.
a. Oil impurities are preventing the release
valve from fully closing.
b. Some hydraulic components or seals are
cracked or worn.
c. Control lever is out of adjustment.
a. Worn or damaged seals
b. Other cracked or worn parts
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Corrective Action
a. Add approved hydraulic fluid or
change oil as noted in chapter 7.
b. Follow the procedure for adjusting the
control lever in chapter 4.
c. Reduce load.
d. Move truck to a warmer location.
e. Deaerate the hydraulic pump. (see
chapter 7)
a. Use caution removing the obstacle
b. Follow the procedure for adjusting the
control lever in chapter 4
c. Keep fork in the lowest position when
not in use and keep piston rod well
lubricated
d. Replace the piston rod or pump
a. Drain and replace hydraulic fluid with
approved fluid as noted in chapter 7
b. Inspect and replace components as
needed
c. Follow the procedure for adjusting the
control lever in chapter 4
a. Replace seals
b. Replace damaged parts