User guide

66
2. For models VB001, VB002 and VB003, gap clearance
between impeller and unibody case should be
checked around entire periphery of the impeller in
accordance with Item 18, impeller to case gap specifi-
cation prior to securing impeller.
3 On models VB004 thru VB110 remove Item 23 Plug
located on bottom of the case and check impeller gap
with a feeler gauge. Remove impeller and adjust
shims to meet gap specification. With adjustments and
gap check complete, replace plug tightly to prevent air
leakage.
4. Fasten impellers using lockwashers and locknuts.
Torgue locknut to recommended torque values in
Table 3. Bend a lockwasher tab down into a lockwash-
er slot.
5. Reattach the impeller cover.
VV.. VVoorrtteexx BBlloowweerr DDaattaa
Pages 7 through 17 present information about the
various blower models. This information is important
in understanding your blowerʼs performance, in using
the blower in the proper operating range, and in ordering
parts that might be needed.
AA.. AAsssseemmbbllyy DDiiaaggrraammss
At the top of each page is an assembly diagram of the
unit. Items are identified by circled numbers around the
diagram. Above each diagram is the gap specification.
BB.. PPaarrttss LLiissttss
At the lower left of each diagram is a table giving the
item number (shown on the Assembly Diagram), the
Part No. for that item and the corresponding part
description. In ordering parts, provide the model
number, the part number and the description.
CC.. PPeerrffoorrmmaannccee CCuurrvveess
At the
lower right of each diagram are performance
curves for 50Hz and 60Hz operation. The curves
present the following information:
The upper line of each curve is pressure performance
while the lower line is vacuum performance. The
dashed portion at the left end of some of the curves
indicates an intermittent-only operating area. See
OOppeerraattiioonn
Section on page 5.
DD.. EEssttiimmaatteedd AAccoouussttiiccaall NNooiissee LLeevveell aatt 11..55MM,, 6600HHzz
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VB001S 62
VB001 61
VB002S 61
VB002 61
VB003S 66
VB003 66
VB004S 63
VB004 63
VB007S 70
VB007 64
VB019S 70
VB019 73
VB030S 71
VB030 73
VB037S 74
VB037 76
VB055 82
VB075 81
VB110 80
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◆ 600 Day Hill Road, Windsor, CT 06095 ◆ TEL [phone] ◆ 860-688-8361 ◆ www.spencerturbine.com
VB001, VB001S, VB002
VB002S, VB003, VB003S
VB004, VB004S
VB007, VB007S
VB019, VB019S
VB030, VB030S
VB037, VB037S
VB055
VB075
VB110
22
31
36
36
44
44
77
90
90
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