Amortiguadores

Technical Manual
7000, 7100, 7500 Series
Main Office
150 Franklin St. • P.O. Box 1056
Reading, PA 19603
(610) 375-6180 • (610) 375-6190 Fax

Southeast

Midwest

771-28 Fentress Blvd. • P.O. Box 11586
Daytona Beach, FL 32120

12666 US-12 • P.O. Box 666
Brooklyn, MI 49230

(386) 274-5336 • (386) 274-5442 Fax

(517) 592-6681 • (517) 592-3696 Fax

Table of Contents
HyraulicTracking Damper
Parts List ...............................................................................................
Specifications and Installation Instructions .........................................
7100 Series Shocks
Parts List ...............................................................................................
Specifications and Disassembly/Assembly Instructions.....................
7500 Series Shock
Parts List ...............................................................................................
Specifications and Disassembly/Assembly Instructions .....................
Single Adjustable Options ........................................................................
Damping Adjusters....................................................................................
Suggested Maintenance ...........................................................................
Trouble Shooting .......................................................................................
Valving
General Valving Characteristics ...........................................................
General Oval Track Tuning Tips...........................................................
Valving / Valve Stacks ..........................................................................
Digressive Valving Information Option .................................................
Preload Shim Spacers ..........................................................................
Pistons
Flow Rate Through Multiple Bleed Holes ............................................Piston Selection ...................................................................................
Linear Piston / High Flow Piston ..........................................................
Digressive Piston .................................................................................
Damping Adjustments ..........................................................................
Dyno GraphOverview ...............................................................................
Notes ...........................................................................................................

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REV: 09/08/03
#5

1

Hydraulic Tracking Damper (HTD)

ITEM
NO.

PART
NO.

DESCRIPTIONHydraulic Tracking Damper
1
2
3
4
5
6
7
8
9
10
11
12

2

MO-01
MO-03
SC-01
NT-01J
NT-07J
NT-04J
VW-13
OR-2312-B
SP-HTD600
SP-HTD900
SL-09
BU-10DU08
SB-HTD
OR-2219-B
OR-2114-V

Rod End, .625
Rod End, .750
Screw, Socket Set, 1/4” -20 x 1/4”
Jam Nut, 1” - 14
Jam Nut, 1 1/8” - 12
Jam Nut, 5/8” - 18
Washer, Flat, .925 ID
O_Ring, 2-312, Buna 70 Duro
Spring, 4.5” x1.125 ID x 600 LB (Optional)
Spring, 4.5” x 1.125 ID x 900 LB (Optional)
Shaft Wiper, .625, Poly (Blue)
Bushing, DU .625 x .500
Shaft Bearing, HTD
O-Ring, 2-219, Buna 70 Duro
O-Ring, 2-114, Viton 90 Duro

ITEM
NO.

PART
NO.

DESCRIPTION

13
14
15
16
17
18
19
20
21
22
23
24

BU-10DU04
SH-HTD
VW-99
VS-__
PB-HTD
OR-2025-B
PI-11004T
NT-05R
RR-06
PI-HTDR
OR-4219-BBD-HTD

Bushing, DU .625 x .250
Shaft, HTD
Top Out Plate, 1.375 x .504
Valve Stack
Piston Band, HTD
O-Ring, 2-025, Buna 70 Duro
Piston, 1o/1o, .020 Bld 45mm, thin
Ring Nut, 1/2” - 18 (Nyloc)
Wire Ring, .0625 Wire Diam x 1.900
Piston, Reservoir, HTD
Quad Ring, 4-219, Buna 70 Duro
Body, HTD

25

IU-02

Air Valve, 1/8 NPT

IU-04

Valve Core, 2000 psi

IU-06

Valve Cap,...