WinGD W-X82 - Page 287

Operation
3326−1/A1
Winterthur Gas & Diesel Ltd.
1/ 2
Crosshead and Guide Shoe
1. General
The crosshead guides the piston rod (8) and absorbs the lateral forces that come
from the connecting rod (4) (see Fig. 1 and Fig. 2).
The piston rod (8) is attached to the crosshead pin (6) with screws. The bearing oil
necessary to cool the piston flows through the groove (11) and the bore (OB) to the
piston. The oil (OR) flows back to the crosshead pin through the oil pipe (1) and
returns to the crankcase through the drain (OD).
The guide shoes (3) are attached to the crosshead pin (6) and move up and down in
the guide ways of the column (10). The guide rails (12) hold the guide shoes (3) and
thus the crosshead in the horizontal position.
016.782/08
OD
3
8
3
1
5
4
2
6
7
016.782/08
OR
OB
OB
Fig. 1: Crosshead and Guide Shoe (Side View)
1 Oil pipe (to piston) 7 Compression shim
2 Upper bearing half (top end bearing) 8 Piston rod
3 Guide shoe
4 Connecting rod OB Oil bore to piston
5 Bearing shell (top end bearing) OR Oil return from piston
6 Crosshead pin OD Oil drain to crankcase
2017−08