WinGD RT-flex50DF, Руководство по обслуживанию, Страница: 311 / 586

Maintenance
3403 − 1/A1
Winterthur Gas & Diesel Ltd.
7/ 9
21) Make sure that each clearance in the
piston rings is opposite the clearance in
the piston ring above/below.
Note: When you do step 21 ), make sure
that you do not damage the
cylinder liner (2) or the support for
the piston rod gland.
22) Carefully lower the piston 1, Fig. 15 )
into the cylinder liner (2) until the piston
rod foot touches the spacer (94344A).
23) Remove the tool (94341).
24) Remove the distance pieces (94230)
from the piston rod.
25) Attach the lifting bosses (94333A,
Fig. 16 ) to the piston rod foot (2).
26) Attach the two eye bolts (EB) and the
lifting bosses (94333A) to the piston
rod foot (2).
27) Attach the two eye bolts to the support
ring (4).
28) Attach the two chains (94333B) to the
four eye bolts (EB).
29) Operate the turning gear to move the
piston to BDC until the two chains
(94333B) have tension.
30) Continue to operate the turning gear to
move the crank to BDC until you can
remove the spacer (94344A).
31) Remove the spacer (94344A).
Note: When you do step 32 ), make sure
that the bolts on the crosshead (1)
align with the holes in the piston
rod foot.
32) Operate the turning gear to move the
crosshead to TDC.
33) Make sure that the piston rod gland is
in the correct position for the dowel pin
(5) to engage with the support (4).
34) Make sure that the chains (94333B)
have no tension.
35) Remove the chains (94344B), the eye
bolts (EB) and the lifting
bosses (94333A).
36) Attach the piston rod gland to the
support (4) with the four new locking
plates and four M16x60 bolts (3).
37) Bend the locking plates to lock the four
bolts (3).
Piston: Removal and Installation
2016
WCH02292
I
I
5
I - I
Fig. 16
3
4
EB
94344B
94344A
WCH03082
94333A
EB
2
1