Wacker Neuson WM 90

Clearance Data and Limits Table WM 90 Repair
wc_tx000391gb.fm 92
Piston
Outer diameter at skirt in thrust
direction
STD
50.97–50.99
(2.0067–2.0075)
50.88
(2.0031)
Oversize
(+0.25)
51.22–51.24
(2.0165–2.0173)
51.13
(2.0123)
Oversize
(+0.50)
51.47–51.49
(2.0264–2.0272)
51.38
(2.0228
Ring groove-side clearance
Top 0.035–0.080
(0.0014–0.0031)
0.15
(0.006)
2nd
0.035–0.080
(0.0014–0.0031)
0.15
(0.006)
Oil Ring
0.010–0.065
(0.0004–0.0026)
0.15
(0.006)
Piston pin hole
10.991–11.009
(0.4327–0.4334)
11.035
(0.4344)
Piston pin outside diameter
10.992–11.000
(0.4328–0.4331)
6.05
(0.238)
Item Standard
mm (in.)
Limit
mm (in.)
wc_gr001925
wc_gr001926
wc_gr001927
wc_gr001928