Gorman-Rupp Pumps 83C52-B 1337266 and up - Manual (Page 13)

80 SERIES OM−00893
PAGE B − 6 INSTALLATION
Figure 6A. Aligning Spider Type Couplings
Figure 6B. Aligning Non-Spider Type
Couplings
Align non-spider type couplings by using a feeler
gauge or taper gauge between the coupling halves
every 90
_. The coupling is in alignment when the
hubs are the same distance apart at all points (see
Figure 6B).
Check parallel adjustment by laying a straightedge
across both coupling rims at the top, bottom, and
side. When the straightedge rests evenly on both
halves of the coupling, the coupling is in horizontal
parallel alignment. If the coupling is misaligned,
use a feeler gauge between the coupling and the
straightedge to measure the amount of misalign-
ment.
Drive Belts
When using drive belts, the power source and the
pump must be parallel. Use a straightedge along
the sides of the pulleys to ensure that the pulleys
are properly aligned (see Figure 8). In drive sys-
tems using two or more belts, make certain that the
belts are a matched set; unmatched sets will cause
accelerated belt wear.