Sullair ShopTek ST400 User Manual page 65

SECTION 6
Table 6-1: Belt Tension Requirements
Model HP
ST400 Series
ST410 5
ST410 5
ST500 Series
ST510 7.5
ST510 7.5
ST700 Series
ST709 10
ST712 10
ST708 10
ST713 10
ST1100 Series
ST1109 15
ST1112 15
ST1108 15
ST1113 15
ST1500 Series
ST1509 20
ST1512 20
ST1508 20
ST1513 20
B T A
ELT ENSION DJUSTMENT
Refer to Figure 6-10 and Figure 6-11.
Adjust the belt tension according to the following
procedure:
A. Shut down the compressor and isolate all electric
power.
B. Open the side panel and remove belt guard.
C. Loosen the locking nut.
D. Loosen the four compressor unit mounting plate
bolts ¾ of a turn.
TT Mini
Hz First Time
Frequency (Hz) Frequency (Hz)
60 80
50 82
60 78
50 84
60 87
60 81
50 90
50 85
60 85
60 85
50 92
50 89
60 92
60 101
50 92
50 91
02250180-090 R00
S
HOP
First Time
Re-tension
Force (N)
70 233
72 232
68 214
74 215
76 250
71 242
79 237
79 230
75 245
74 254
81 248
78 255
80 283
88 276
81 261
80 274
E. Adjust the belt tension by turning the jacking nut
clockwise to tighten or counterclockwise to
loosen.
F. Measure belt tension and ensure it meets the
specifications in Table 6-1.
G. Tighten the locking nut.
H. Tighten the four compressor unit mounting plate
adjusting bolts.
I. Ensure that the discharge hose is not kinked,
bent, or has been placed under undue stress or
strain.
J. Replace the belt guard and the side panel.
USER MANUAL
T
™
EK
Optikrik
Re-tension
Force (N)
180
178
165
165
192
186
182
191
189
195
191
196
217
212
201
210
63