Trane Voyager Commercial Installation, Operation And Maintenance Manual page 117

Table 66. Belt tension measurements and deflection forces
Belts
Small P.D
Cross
Range
Section
3.0 -3.6
A 3.8 - 4.8
5.0 - 7.0
3.4 - 4.2
B 4.4 - 5.6
5.8 - 8.8
4.4 - 8.7
7.1 - 10.9
5V
11.8 - 16.0
Table 67. Supply fan sheave and belt
Fan Sheave
Brown-
Mo-
Tons tor RPM
BK190 X 1
550
7/16
7.5 BK160 X 1
27.5
600
hp
& 30 7/16
BK160 X 1
650
7/16
BK190 X 1
650
7/16
10 hp BK160 X 1
27.5
700
7/16
& 30 (f)
BK160 X 1
750
7/16
7.5
BK160 X 1
600
hp
7/16
BK190 X 1
650
7/16
10 hp
BK160 X 1
35 700
7/16
BK160 X 1
790
7/16
15 hp
(g)
BK160 X 1
800
7/16
RT-SVX34R-EN
Super Gripbelts Gripnotch
Min. Max. Min.
4 1/2 3 7/8
3
3 1/2 5 4 1/2
5 1/2
4 5
4 5 1/2 5 3/4
5 1/8 7 1/8 6 1/2
6 3/8 8 3/4 7 3/8
— — —
— — —
— — —
Fan Bushing
(a) (b) (c)
Brown-
ing ing
SST
BK190-1-
7/16
BK160-1-
7/16
BK160-1-
7/16
BK190-1-
7/16
BK160-1-
7/16
BK160-1-
7/16
BK160-1-
7/16
BK190-1-
7/16
BK160-1-
7/16
BK160-1-
7/16
BK160-1-
7/16
Deflection Force (Lbs.)
Steel Cable
Gripbelts
Max. Min. Max.
5 1/2 3 1/4
4
6 1/4 3 3/4 4 3/4
6 7/8 4 1/4 5 1/4
8 4 1/2 5 1/2
9 1/8 5 3/4 7 1/4
10 1/8 8 3/4
7
— — —
— — —
— — —
Motor Sheave
Brown-
ing
SST
BK62H
BK57H
BK62H
BK75H
BK67H
BK72H
BK57H
BK75H
BK67H
1B5V68
1B5V70
M M a a i i n n t t e e n n a a n n c c e e
358 Gripnotch
358 Gripbelts
Min. Max. Min.
— —
— —
— —
— —
— —
— —
— — 10
10 1/2 15 3/4 12 7/8
19 1/2
13 15
Motor Bushing
(d)
Brown-
ing
SST
H 1-3/8 H-1-3/8
BK62H
BK57H H 1-3/8 H-1-3/8
H 1-3/8 H-1-3/8
BK62H
BK75H H 1-3/8 H-1-3/8
H 1-3/8 H-1-3/8
BK67H
H 1-3/8 H-1-3/8
BK72H
BK57H H 1-3/8 H-1-3/8
BK75H H 1-3/8 H-1-3/8
H 1-3/8 H-1-3/8
BK67H
1B68SDS B 1 5/8 SDS 1 5/8
B 1 5/8 SDS 1 5/8
1B70SDS
Belts
Max.
— —
— —
— —
— —
— —
— —
15
18 3/4
22
(e)
SST Belt
BX108
Notched
BX100
Notched
BX103
Notched
BX108
Notched
BX103
Notched
BX103
Notched
BX100
Notched
BX108
Notched
BX103
Notched
BX103
Notched
BX103
Notched
117