7.1 Inspection intervals
7.1.1 Every day
• Check correct functioning of brake(s).
• Check load chain (visual inspection)
- clean, lubricated and not twisted
• Check that chain drive runs smoothly
• Check bottom hook block (visual inspection)
7.1.2 Every month
• Check suspension of control pendant (cable and strain relief wire must be fitted).
• Check load chain for wear, see page 38
7.1.3 Every three months
• Check hook for wear, see page 44.
• Check hook attachment
• Grease output pinion and open step of gearing on electric trolley
• Check attachment of rigid suspension or trolley suspension
• Clean and lubricate chain
• Check chain attachment
7.1.4 Every year
• Check the screw and bolt connections (tightening torques, corrosion, wear)
• Adjust brake
• Adjust slipping clutch; function of limit switch is also tested when allowing clutch to
slip under overload
• Calculate service life expired. Read operating hours counter if any.
• Check chain stopper (visual inspection)
7.1.5 Every five years
• Gear oil
• Change oil, see "Oil change", chapter 7.16.
Danger of bodily injury
Periodic tests including maintenance at least every 12 months, possibly more frequently if
so pre-scribed by national regulations, to be performed by a qualified person.
Heavy duty or unfavourable conditions (dirt, solvents, multi-shift operation, etc.) entail a
reduction of this inspection and maintenance interval.
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