Firestone EMDG198 User Manual page 78

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321
Description
Style
Ribbed neck aluminum bead
321
rings (equal spacing),
7
1
/
bolts, nuts, washers
8
Two Ply
Ribbed neck aluminum bead
High
rings (unequal spacing) 1
Strength
Rubber bellows only
Bellows
Assembly weight ..................................................... 103.9 lbs
Force to collapse to minimum height (@ 0 PSIG)..... 380 lbs.
32 (3/8-24) BOLTS
EACH RING
28-32 FT. LBS.
TORQUE
23.50 BOLT CIRCLE DIA.
Dynamic Characteristics at 15.0 in. Design Height
(Required for Airmount isolator design only)
Volume @ 100 PSIG = 7,346 in
Gage
Pressure
Load
(PSIG)
(lbs.)
40
16,220
60
24,690
80
33,290
100
41,900
78
Assembly Order No.
WO1-358-7304
7
/
b,n,w WO1-358-7306
8
WO1-358-7919
27.9 MAX O.D.
AT 100 PSIG
HEIGHT
25.13 DIA.
3
Natural
Frequency
Spring
Rate
CPM
(lbs./ in.)
2,538
74
1.24
3,623
72
1.20
4,624
70
1.17
5,620
69
1.15
CONSULT FIRESTONE
BEFORE USING AS
AIRMOUNT
Do not use Airstroke in
130
shaded area without
consulting Firestone
120
110
Volume
100
100 Psig
90
80
70
60
50
40
30
20
10
0
MAX. HT.
22
20
See page 12 for instructions on how to use chart.
Force Table (Use for Airstroke
Assembly @ 100
Height
(in.)
18.0
HZ
16.0
14.0
12.0
10.0
8.0
6.0
RECOMMENDED
AIRMOUNT
DESIGN HEIGHT
15.0 INCHES
18
16
14
12
10
HEIGHT IN.
®
actuator design)
Volume
Pounds Force
PSIG
@20
@40
@60
3
(in
)
PSIG
PSIG
PSIG
8,561 6,400 13,320 20,620 28,020 35,660
7,770 7,510 15,410 23,490 31,760 40,060
6,904 8,200 16,890 25,740 34,610 43,510
5,983 8,710 17,960 27,350 36,690 46,120
5,019 9,240 18,830 28,410 38,280 48,150
4,007 9,790 19,850 30,160 40,510 50,860
2,944 10,260 20,990 32,110 42,880 53,710
Static Data
1229
120 Psig
65
60
100 Psig
55
50
45
80 Psig
40
35
60 Psig
30
25
40 Psig
20
15
10
20 Psig
5
0
MIN. HT.
8
6
4 . 5
@80
@100
PSIG
PSIG

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