Firestone EMDG198 manual 20-2, Use

20-2

		Description	Assembly Order No.
	Style	Blind nuts, 1/4 NPT	WO1-358-6951
	20-2	Blind nuts, 3/4 NPT	WO1-358-6952
	Two	Blind nuts, 3/4 NPT,
	Ply	rubber bumper	WO1-358-6947
	Bellows	Rubber bellows only	WO1-358-0152
Assembly weight				7.7 lbs.
Force to collapse to minimum height (@ 0 PSIG)				........17 lbs.

3/8-16 BLIND NUTS

(5/8 DEEP)1/4 OR 3/4 NPT AIR INLET

1.75*

*(1.50 FOR 3/4)

15-20 FT. LBS.		3.50
TORQUE
	10.4 MAX O.D.
	AT 100 PSIG

HEIGHT

OPTIONAL

BUMPER

6.31 DIA.

NOTE: A bead plate part is shown. This part is also avail- able with bead rings. See pages 8-10 for explanation.

Dynamic Characteristics at 10.0 in. Design Height Consult factory before using as an Airmount isolator.

Volume @ 100 PSIG = 488 in3			Natural
			Frequency
Gage		Spring
Pressure	Load	Rate	CPM	HZ
(PSIG)	(lbs.)	(lbs./in.)
40	1,184	376	105.91	1.77
60	1,848	534	101.04	1.68
80	2,531	669	96.64	1.61
100	3,238	813	94.21	1.57

60

CONSULT FIRESTONE				RECOMMENDED									Static Data
					AIRMOUNT
BEFORE USING AS
				DESIGN HEIGHT											A9902
	AIRMOUNT
					10.0 INCHES
			Do not		use	Airstroke	in
	60		shaded		area without											60
			consulting Firestone
								120						Psig
								1				00		Psig
10	50	Volume														50
		100 Psig
IN. x
(WITHOUTBUMPER) CU
	40											80		Psig		40	FORCELBS x 100
	30										60			Psig		30
VOLUME	20								40					Psig		20
	10									20				Psig		10

0									0
MAX. HT.	11	9		7	5			MIN. HT.
13								3
			HEIGHT IN.			Bumper		Contact
							(4.2)

See page 12 for instructions on how to use chart.

Force Table (Use for Airstroke® actuator design)

	Volume			Pounds Force
Assembly	@ 100
Height	PSIG	@20	@40	@60	@80	@100
(in.)	(in3)	PSIG	PSIG	PSIG	PSIG	PSIG

11.0520 449 951 1,517 2,122 2,753

10.0	488	572	1,184	1,848	2,531	3,238
9.0	451	673	1,384	2134	2,880	3,661
8.0	409	759	1,554	2,377	3,193	4,049
7.0	364	836	1,704	2,590	3,485	4,416
6.0	316	907	1,845	2,786	3,753	4,748
5.0	256	975	1,979	2,954	3,968	5,005