Firestone EMDG198 manual 312, WO1-358-7760, WO1-358-8004

		Description	Assembly Order No.
	Style	Ribbed neck aluminum bead
312		rings (equal spacing),
		17/8 bolts, nuts, washers	WO1-358-7761
	Two
		Ribbed neck aluminum bead
	Ply
		rings (unequal spacing) 17/8 b,n,w	WO1-358-7760
	Bellows
		Rolled plate assembly, 1/2
		blind nuts, 3/4 NPT	WO1-358-7286
		Rubber bellows only	WO1-358-7914

Assembly weight ....................................................... 24.8 lbs

Force to collapse to minimum height (@ 0 PSIG)..... 135 lbs.

	Style	Ribbed neck aluminum bead
314		rings (equal spacing),
		17/8 bolts, nuts, washers	WO1-358-8003
	High
Strength		Ribbed neck aluminum bead
	Bellows	rings (unequal spacing) 17/8 b,n,w	WO1-358-8004
		Rolled plate assembly, 1/2
		blind nuts, 3/4 NPT	WO1-358-8009
		Rubber bellows only	WO1-358-7926

18 (3/8-24) BOLTS EACH RING

28-32 FT. LBS.

TORQUE

13.81 BOLT CIRCLE DIA.

18.2 MAX O.D.

AT 100 PSIG

HEIGHT

15.12 DIA.

NOTE: A bead ring part is shown. This part is also avail- able with rolled plates. See page 11 for explanation.

Dynamic Characteristics at 13.0 in. Design Height

(Required for Airmount isolator design only)

Volume @ 100 PSIG = 2,207 in3			Natural
			Frequency
Gage		Spring
Pressure	Load	Rate	CPM	HZ
(PSIG)	(lbs.)	(lbs./in.)
40	5,100	1,056	85	1.42
60	7,930	1,536	83	1.38
80	10,730	1,950	80	1.33
100	13,530	2,371	79	1.31

										312
CONSULT FIRESTONE				RECOMMENDED						Static Data
					AIRMOUNT
BEFORE USING AS
				DESIGN HEIGHT						1909
	AIRMOUNT
				13.0 INCHES
	26															26
	25
	24				Volume
					100 Psig
	23										120 Psig
100	22
	21
	20															20
		Do not use	Airstroke in
x
		shaded area without
	19										100 Psig
IN.
		consulting Firestone
(WITHOUTBUMPER) CU	18															FORCELBS x 1000
	17
	9
	16
	15											80 Psig				15
	14
	13
	12
	11
									60 Psig
	10															10
VOLUME
	8												40	Psig
	7
	6
	5															5
	4
												20 Psig
	3
	2
	1															1
	MAX. HT.							8		6					MIN. HT.
	18	16	14			12	10								4 . 5

HEIGHT IN.

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

14.02,342 2,300 4,640 7,230 9,820 12,420

12.02,061 2,760 5,510 8,560 11,510 14,450

10.01,744 3,130 6,260 9,620 12,870 16,060

8.01,400 3,340 6,940 10,370 13,820 17,440

6.0 1,021 3,790 7,580 11,510 15,350 19,280

75