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IFS 1660S3
Reyco Granning IFS 1660S3 - User Manual
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Motorhome Suspensions
Owner’s Manual
Document #: D710551
Revision: J
Revision Date: 05/2022
IFS 1660S3|1700S3|1800S3|2000S3
Independent Front Suspension
Reyco Granning Suspensions
1205 Industrial Park Drive
Mount Vernon, MO 65712
Phone: 417.466.2178
Fax: 833.896.6997
www.reycogranning.com
2
Table of Contents
Main Page
Table of Contents
3
Introduction
7
Service Notes
7
Identi Cation
8
Model Options
9
Vehicle Towing Information
11
Maintenance Schedule
12
Maintenance Record
13
Part List
14
Unit Assembly - IFS1660S3 & IFS1700S3
14
Unit Assembly - IFS1800S3 & IFS2000S3
15
Unit Assembly - IFS1701S3
16
Unit Assembly - IFS20S3
17
Control Arm Components
18
Control Arm Components Subassemblies
19
Steering Components (IFS1660S3/IFS1700S3)
20
Steering Components (IFS1800S3/IFS2000S3)
21
Steering Components IFS1701S3
22
Steering Components (IFS20S3)
23
Air Spring and Shock Components (IFS1800S3/IFS2000S3)
24
Air Spring and Shock Components (IFS1701S3/IFS20S3)
25
HCV Assembly Components (All)
26
Sway Bar Assembly Components (All)
27
Disc Brake Components (Protorq Spindle Nut)
28
Disc Brake Components (Integral Spindle Nut)
29
King Pin Components (All)
30
Steering Knuckle Carrier Components (All)
31
Lubrication
32
Lubricant Speci Cations and Intervals
32
General Lubrication
32
Ball Joints
32
Ball Studs on Tie Rods
32
Carrier Bearing and King Pin
33
Steering Gear Hydraulic Oil
34
Steering Gear Trunnion Bearing
34
Steering Gear Input Shaft
34
Wheel Bearings
35
Troubleshooting
36
Inspection
40
General Inspection
40
Inspecting Control Arm Bushings
40
Inspecting Tie Rod Ends
41
Inspecting the ABS Sensor and Tone Ring
41
Inspecting the Shock Absorber
42
Inspecting the Air Spring and Height Control Valve
42
Inspecting the Steering Arm and Relay Rod Ball Joints
43
Inspecting Wheel Bearing Endplay
44
Inspecting the Knuckle Carrier Bearing and Seal
45
Inspecting the Kingpin Vertical Endplay
45
Inspecting the Steering Gear Sector Lash
45
Adjustment
46
Adjusting Wheel End Play (PRO -TORQ Style Only )
46
Adjusting Suspension Ride Height
48
Adjusting the Maximum Wheel Turn Angle
49
Inspection before Alignment
50
Wheels and Tires
50
Front Suspension
51
Rear Axle and Suspension
51
Front Wheel Alignment
51
Equipment
51
General
51
Preparation
52
Adjusting the Camber Angle
53
Eccentric Camber Adjustment
53
Bar Pin Camber Adjustment
54
Adjusting the Caster Angle
55
Eccentric Caster Adjustment
55
Adjusting the Toe -In
58
Repairs
59
General Procedures
59
Cleaning the Parts
59
Ground or Polished Parts
60
Rough Parts
60
Drying
60
Preventing Corrosion
60
Replacing Tie Rod Ends
60
Removal
60
Installation
60
Replacing Pitman Arm or Idler Arm Ball Joint
61
Removal
61
Installation
61
Replacing the Idler Arm Bearings (1660S3&1700S3)
62
Removal
62
Installation
62
Replacing the Upper and Lower Control Arm Bushings
62
Upper Control Arm Removal
63
Upper Control Arm Installation
63
Lower Control Arm Removal
64
Lower Control Arm Installation
64
Replacing Wheel Bearings, Oil Seals & Hub Caps (Pro - Torq Style Nut)
65
Removal
65
Installation
66
Pre Adjusted with Integral Spindle Nut Wheel Hubs
68
Recommended Service
68
Hub and Component Cleaning
70
Inspecting Bearing Cups, Cones & Bearing Spacer
70
Removing Cups in Iron Hubs
71
In Stalling a New Cup in Iron Hubs
71
Pre Adjusted with Integral Spindle Nut Wheel Hubs - Reassembly
71
Spindle Nut and Spiral Snap Ring Reassembly
72
Installing the Pre Adjusted with Integral Spindle Nut
72
Wheel Hub Assembly
72
Replacing Brake Components
73
Brake Rotors
73
Brake Chambers
73
Other Brake Components
73
Replacing the ABS Sensor and Tone Ring
73
Sensor Removal
74
Sensor Installation
74
Tone Ring Removal and Installation
74
Replacing the Shock Absorber
74
Removal
74
Installation
75
Replacing the Air Spring
75
Removal
75
Replacing the Height Control Valve
75
Installation
76
Replacing the Sway Bar and Components
76
Vertical Linkage Removal
76
Vertical Linkage Installation
76
Sway Bar Removal
76
Sway Bar Installation
76
Replacing the Steering Knuckle Carrier Bearings
77
Removal
77
Installation
77
Replacing the Steering Gearbox/Slave Unit Assembly
78
Removal
78
Installation
79
Steering Gear Poppet Readjustment
79
Torque Tables
81
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Reyco Granning IFS 1660S3 Specifications
General
Brand
Reyco Granning
Model
IFS 1660S3
Category
Automobile Accessories
Language
English
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