7-52 OM ET18/20/24 us 1.3 * et18_20_24w710.fm77.18 Maintenance of attachmentsInformation regarding maintenance of attachmentsCorrect maintenance and service is absolutely necessary for smooth andcontinuous operation, and for an increased service life of the attachments.Please observe the lubrication and maintenance instructions in theOperator’s Manuals of the attachments.7.19 Maintenance of optionsJoint rod (lifting eye) and load hookWear of joint rod (lifting eye)Immediately replace lifting eyes with inadmissible wear (beyond max.tolerance, for example), damage, deformations, surface cracks andcorrosion.The nominal size must not be worn more than 5 % (max. tolerance).Measurement can be performed with the accuracy of a slide gauge.Welding is prohibited!Load hook wearHave load hooks (Powertilt, Powertilt for Easylock) with inadmissible wear(beyond the tolerance, for example), damage, deformations, surfacecracks and corrosion immediately replaced by a Wacker Neuson servicecenter.The nominal size must not be worn more than 10 % (max. tolerance).Measurement can be performed with the accuracy of a slide gauge.Welding is prohibited!If the spring mechanism of snap link C does not automatically close anymore, stop machine operation with the load hook and have the errorrepaired by a Wacker Neuson service center.ABFig. 273: Lifting eye joint rod (symbolicrepresentation)Joint rod (lifting eye) Nominal size A Max. tolerance BET18 – ET24 32 mm(1 1/4 in)33.6 mm(1 3/8 in)Fig. 274: Powertilt load hook (symbolicrepresentation)BAC ALoad hook Nominal sizeAMax. toleranceANominalsize BMax. toleranceBNominalsize CMax. toleranceCET18 – 24(PTS-4.5)86 mm(3 3/8 in)94.6 mm(3 3/4 in)30 mm(1 1/8 in)27 mm(1 in)33 mm(1 1/4 in)36.3 mm(1 3/8 in)