CYLINDER GP 3599516 - Caterpillar

Assembly Cylinder Block
Prior to assembly lubricate unloader pistons and piston bores with B-W lubricant, piece number 239379 (dimethyl polysiloxane BW-328-M). If new prelubricated pistons are used, no additional lubricant is necessary.Install unloader pistons in their bores with caution against cutting the grommets or distorting the back-up rings.Position unloader plungers in their guides and slip them in over the tops of the pistons.Install unloader spring seat