Section 7
MAINTENANCE
40
apart. Insert the flexible element between the two
hubs. The element should be compressed prior to
insertion. The element can be compressed by
tightening a suitably sized radiator hose clamp
around the outer edge of the element as shown in
Figure 7 --- 6. Slide the ferry head capscrews with
lockwashers through the holes in the hubs and ele-
ment. Tighten the capscrews to 200 ft.---lbs. (271
Nm).
NOTE
Capscrews are 3/4
---
10 x 4” LG NAS 144 black ox-
ide coated. DO NOT substitute with any other
bolts.
After tightening the capscrews, tighten the shaft
setscrews and remove the hose clamp from the
flexible element. At this time, the coupling is ready
for operation.
DRIVE COUPLING INSTALLATION AND ALIGN-
MENT (400, 500 AND 600HP/300, 375 AND
450KW
R e f e r t o F i g u r e s 7 --- 6 , 7 --- 7 , 7 --- 8 , 7 --- 9 , 7 --- 1 0 a n d
7 --- 1 1 . For c oupl ing instal l a tion and a l ignment, the
tools required are a straight edge, a measuring
scale, one set of feeler gauges, a set of standard
Allen wrenches, one set of standard socket
wrenches, and a 17mm end wrench for shrink disc
locking screws.
Figure 7---6 Drive Coupling Alignment
Figure 7---7 Parallel / Angular Offset Alignment
TABLE 1
INSTALLATION DATA (200, 250 and 300HP/150, 187, 225KW)
Max. Operating Misalignment
Tightening
To rq u e
f t . --- l b s . / N m
Coupling
Gap
inches/cm
Pa rallel
Offset
inches/cm
Angular
inches/cm
200 2.969 + .030
--- . 0 0 0
.010 .010
(I) A ngular misalignme nt i n i nche s e quals maximum A mi -
nus mi nimum B as shown i n Figure 7 --- 6 . DO NOT ex -
ceed values in Table above.
(I)
271Nm 7.5 + .08
--- . 0 0 0
.03 .03
WA R N I N G
!
Disconnect all power at source, before attempt -
ing maintenance or adjustments.
Use the following procedure for proper mainte-
nance and alignment of the coupling:
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