11Fig.8.1Fig.8.2Fig.8.38. Instructions for applying lubrication8.1 Applying Lubricant to the Packing▪ Apply plenty of grease to a v-groove of the packing.＜NOTE＞▪ Be careful not to produce air bubbles when applying grease.8.2 Applying Lubricant to the Center Rod▪ Apply a small amount of grease the sliding surface of thecenter rod.8.3 Assembly▪ Attach the v packing to the body, facing the v-groove towardthe air chamber.＜NOTE＞▪ If the v packing is attached in the wrong direction, anoperation failure may occur.

Principles of operation

Removal

Installation

Inspection

Instructions for applying lubrication

YAMADA DP-20F/P Maintenance Manual

DP-20F/P

DP-25F/C

DP-25F/P

DP-38F/C

DP-38F/P