Volvo Group 655-601 User manual

Service Manual
Trucks
Group 655-601
Rear Suspension, T-Ride
VN, VHD
PV776-TSP142921

Foreword
The descriptions and service procedures contained in this manual are based on designs
and methods studies carried out up to July 2003.
The products are under continuous development. Vehicles and components produced
after the above date may therefore have different specifications and repair methods.
When this is believed to have a significant bearing on this manual, supplementary
service bulletins will be issued to cover the changes.
The new edition of this manual will update the changes.
In service procedures where the title incorporates an operation number, this is a
reference to an V.S.T. (Volvo Standard Times).
Service procedures which do not include an operation number in the title are for general
information and no reference is made to an V.S.T.
The following levels of observations, cautions and warnings are used in this Service
Documentation:
Note: Indicates a situation, handling or circumstance which should be observed.
Caution: Indicates a potentially hazardous situation which, if not avoided, may result in
minor or moderate injury or damage to property.
Warning: Indicates a potentially hazardous situation which, if not avoided, could result
in death, serious injury or major damage to property.
Danger: Indicates an imminently hazardous situation which, if not avoided, will result in
death or serious injury.
Volvo Trucks North America, Inc.
Greensboro, NC USA
Order number: PV776-TSP142921
© 2003 Volvo Trucks North America, Inc., Greensboro, NC USA
All rights reserved. No part of this publication may be reproduced, stored in
retrieval system, or transmitted in any forms by any means, electronic,
mechanical, photocopying, recording or otherwise, without the prior written
permission of Volvo Trucks North America, Inc.. USA08313

Contents
General..................................................................................................3
RearSuspension.................................................................................3
Specifications.......................................................................................5
SuspensionApplications......................................................................5
VHD...................................................................................................5
TighteningTorques..............................................................................6
AxlePinionAngles...............................................................................7
VN......................................................................................................7
Tools......................................................................................................9
SpecialTools........................................................................................9
OtherTools..........................................................................................10
DesignandFunction...........................................................................11
RearSuspension.................................................................................11
BogieBracket(SaddleBracket)...........................................................12
SpringCradle(CradleAssembly)........................................................12
NylonBushings....................................................................................12
ParabolicSpringLeaves......................................................................13
RubberSprings....................................................................................13
V-StayTorqueRods.............................................................................13
ReactionRod(LowerTorqueRod).......................................................13
V-StayTorqueRodFrameBracket......................................................14
RubberSpringBracket.........................................................................14
RubberSpringPlate............................................................................14
LowerReactionRodBracketandShockBracket................................14
Troubleshooting...................................................................................17
RearSuspensionTroubleshooting.......................................................17
VolvoT-Ride......................................................................................17
ServiceProcedures.............................................................................19
ServiceProcedure.................................................................................19
GuidelinesforWorkingontheVolvoT-RideSuspension....................19
VTorqueRod,Replacement................................................................21
Torque/RadiusRod,Lower,Replacement...........................................23
BogieAnchorageAssembly,Replacement..........................................25
VTorqueRodAnchorage,Replacement.............................................28
SpringAssembly,RearLeaf,RemovalandInstallation.......................30
RearSpringLeaf,Replacement..........................................................33
RubberSpring,Replacement(Each)...................................................35
RearSpringRetainingBolt,Replacement...........................................38
Tandem,Alignment..............................................................................40
Cradle,Replacement...........................................................................41
GreaseSeals,Replacement................................................................45
CradleBearing,Lubrication.................................................................46
PermanentFastener,Removal............................................................47
1

2

Group 72 General
General
Rear Suspension
W6001356
Fig. 1: T-Ride Tandem Suspension
The Volvo T-Ride tandem suspension is designed for use in both on-and off-highway
applications. It offers maximum articulation for maximum traction. The following
information covers specifications, operations, torque values, lubrication, alignments, and
service procedures for repair and maintenance of the Volvo T-Ride Tandem Suspension.
3

4

Group 72 Specifications
Specifications
Suspension Applications
VHD
Capacity (lb) 48,000 52,000 58,000 65,000 70,000
Volvo Axle CTEV87,
RT2610HV CTEV87, RT2610HV RT2610HV, RT3210HV RT3210HV RT3210HV
Meritor (Rockwell) Axle Not Available Not Available Not Available Not Available Not Available
Dana (Eaton) Axle Not Available Not Available Not Available Not Available Not Available
Load Distribution 50/50 50/50 50/50 50/50 50/50
Springs - Type Parabolic/
Multileaf Parabolic/ Multileaf Parabolic/ Multileaf Multileaf Multileaf
Number of Leaves 3/9 3/11 3/9/11 9/11 9/11
5

Group 72 Specifications
Nm ft-lb
U-bolt nuts (sizes will vary) (do not re-use U-bolt nuts) 500 ± 75 369 ± 55
Cradle hubcap bolts 20 ± 5 15 ± 4
Lower torque rod bolt nuts to saddle bracket 220 ± 35 162 ± 26
Lower torque rod bolt nuts to axle bracket 320 ± 50 236 ± 37
V Torque rod nuts to axle housing 310 ± 50 228 ± 37
V Torque rod bolts to chassis bracket 320 ± 50 236 ± 37
Bogie bracket bolt nuts to chassis 320 ± 50 236 ± 37
Rubber spring bolts M14 to axle housing, VOLVO Axles 140 ± 25 103 ± 18
Rubber spring bolts M14 to axle housing, (Rockwell) (Eaton) Axles 200 ± 30 148 ± 22
Bottom spring plate bolts M12 to rubber spring 85 ± 15 63 ± 11
U-bolts to torque rod bracket on axle (do not re-use U-bolt nuts) 200 ± 25 148 ± 18
Bracket for V Torque rod bolt nuts to frame 320 ± 50 236 ± 37
Axle stop bolt nuts to frame (1) 140 ± 25 103 ± 18
Shock bracket to frame 200 ± 30 148 ± 22
Lower shock bracket to spacer on axle 320 ± 50 236 ± 37
Shock to frame mounted bracket 220 ± 35 162 ± 26
Shock to lower bracket 85 ± 15 63 ± 11
Tightening Torques
(1) These may be HUCKBOLT®, and if so, there is no
torque value given as HUCKBOLT®are unserviceable.
6