Wacker Neuson WM 90 User Manual

WM 90 Repair Reassembly Procedures
wc_tx000389gb.fm 55
8.3 Reassembling Piston
See Graphic: wc_gr001874, wc_gr001899 and wc_gr001900
Install each piston ring in the correct groove of the piston by widening
it enough to slide it over the piston.
Note: When installing the piston rings, make sure not to twist the rings
too much as they may become damaged.
8.3.1 Install the three-piece oil ring (c) first. When installing the oil ring, install
the middle section first, then the outer two outer sections.
8.3.2 Install the second ring (b). When installing the second ring, make sure
that the “RN” mark is face up.
8.3.3 Install the top ring (a).
wc_gr001874
a
b
c
wc_gr001899
wc_gr001900

Wacker Neuson WM 90 Specifications

General

Brand	Wacker Neuson
Model	WM 90
Category	Engine
Language	English