Neway LSZ13 Operating instructions

XL-PS20053RM-en-US Rev A
Control Arm and Bushing
LSZ13/20 Repair Manual

2XL-PS20053RM-en-US Rev A · 2017-10-06 · Amendments and Errors Reserved © SAF-HOLLAND, Inc., SAF-HOLLAND, HOLLAND, NEWAY, SAF, and logos are trademarks of
SAF-HOLLAND S.A., SAF-HOLLAND GmbH, and SAF-HOLLAND, Inc.
Contents
Contents Page
Introduction......................................................................... 2
Warranty.............................................................................. 2
Notes, Cautions, and Warnings ............................................. 2
Section 1 – Safety Instructions ............................................. 3
Service Repair Kits ............................................................... 4
Section 2 – LSZ13 Remove Lower Control Arm ..................... 8
Section 3 – LSZ13 Remove Upper Control Arm...................... 8
Section 4 – LSZ20 Remove Lower Control Arm ..................... 9
Section 5 – LSZ20 Remove Upper Control Arm...................... 9
Section 6 – LSZ13/20 Replacing Bushings........................... 10
Contents Page
Section 5 – LSZ20 Remove Upper Control Arm...................... 9
Section 6 – LSZ13/20 Replacing Bushings........................... 10
Section 7 – LSZ13 Install New or Rebushed
Lower Control Arm........................................... 10
Section 8 – LSZ13 Install New or Rebushed
Upper Control Arm........................................... 12
Section 9 – LSZ20 Install New or Rebushed
Upper Control Arm........................................... 13
Section 10 – LSZ20 Install New or Rebushed
Lower Control Arm......................................... 14
Section 11 – Torque Specification ....................................... 15
Notes, Cautions, and Warnings
Before starting any work on the unit, read and understand all
the safety procedures presented in this manual. This manual
contains the terms “NOTE”, “IMPORTANT”, “CAUTION”, and
“WARNING” followed by important product information. These
terms are defined as follows:
NOTE: Includes additional information to enable accurate
and easy performance of procedures.
IMPORTANT: Includes additional information that
if NOT followed could lead to hindered
product performance.
Used without the safety alert symbol,
indicates a potentially hazardous
situation which, if not avoided, could
result in property damage.
Indicates a potentially hazardous
situation which, if not avoided, could
result in minor or moderate injury.
Indicates a potentially hazardous
situation which, if not avoided, could
result in death or serious injury.
Introduction
This manual provides the necessary information for the
maintenance, inspection, and safe operation of the NEWAY®
LSZ Series Auxiliary Air Suspension.
NOTE: To assist with installation, customer inspection
drawing LSZ13_TAB_CI is required and is included
in the literature kit.
Read this manual before using or servicing this product and
keep it in a safe location for future reference. Updates to this
manual, which are published as necessary, are available on
the internet at www.safholland.us.
When replacement parts are required, SAF-HOLLAND®highly
recommends the use of only SAF-HOLLAND Original Parts.
A list of technical support locations that supply SAF-HOLLAND
Original Parts and an Aftermarket Parts Catalog are available
on the internet at www.safholland.us or contact Customer
Service at 888-396-6501.
Warranty
Refer to the complete warranty for the country in which
the product will be used. A copy of the written warranty
is included with the product or available on the internet
at www.safholland.com.

3
XL-PS20053RM-en-US Rev A · 2017-10-06 · Amendments and Errors Reserved © SAF-HOLLAND, Inc., SAF-HOLLAND, HOLLAND, NEWAY, SAF, and logos are trademarks of
SAF-HOLLAND S.A., SAF-HOLLAND GmbH, and SAF-HOLLAND, Inc.
General Safety Instructions
Operational and Road Safety Instructions
Before operating vehicle, ensure that the maximum permissible
axle load is NOT exceeded and that the load is distributed
equally and uniformly and in accordance with state and
federal bridge laws.
Make sure that the brakes are NOT overheated from
continuous operation.
Failure to minimize the use of brakes during
overheating conditions could result in
deterioration of brake efficiency which, if not
avoided could result in death or serious injury.
Observe the operating recommendation of the truck
manufacturer for off-road operation of the installed axles.
IMPORTANT: The definition of OFF-ROAD means driving
on non-asphalt/non-concrete routes, e.g.
gravel roads, agricultural and forestry tracks,
on construction sites and in gravel pits.
IMPORTANT: Off-road operation of axles beyond
the approved application design could
result in damage and impair suspension
system performance.
Follow the recommended routine maintenance and inspections
described in this manual. These procedures are designed so
that optimum performance and operational safety are achieved.
The suspension springs should ALWAYS be operated with
a static operating pressure between 20 psi (1.38 bar)
and 107 psi (7.38 bar).
Failure to operate the air springs with a
proper static operating pressure could
cause premature component failure and
loss of vehicle control which, if not avoided,
could result in death or serious injury.
In the event of suspension air pressure loss, quickly reduce
speed as safely as possible and remove the vehicle from
traffic. If unable to remove vehicle from traffic, follow DOT
safety requirements regarding emergency situations.
Contact a qualified towing and/or service company to assist
in repairing the vehicle or to move it to a qualified repair facility.
DO NOT operate the vehicle in the absence of suspension
air pressure; however in the event of an air system failure
while in service, an internal rubber bumper built into the
air spring will make it possible to temporarily operate the
vehicle at reduced speed determined by road conditions.
Operating the vehicle without proper air
pressure can cause tire failure, fire, or loss of
vehicle control which, if not avoided could
result in death or serious injury.
The suspension MUST be lifted when the vehicle is moving
in reverse.
Failure to lift axle when in reverse could
result in tire or axle damage.
1. Safety Instructions
General and Servicing Safety Instructions
Read and observe all Warning and Caution hazard alert
messages. The alerts provide information that can help prevent
serious personal injury, damage to components, or both.
Failure to follow the instructions and safety
precautions in this manual could result in
improper servicing or operation leading
to component failure which if not avoided
could result in death or serious injury.
All installations should be performed by a properly
trained
technician using proper/special tools, and safe procedures.
NOTE: In the United States, workshop safety requirements
are defined by federal and/or state Occupational
Safety and Health Act (OSHA). Equivalent laws could
exist in other countries. This manual is written based
on the assumption that OSHA or other applicable
employee safety regulations are followed by the
location where work is performed.
Properly support and secure the vehicle from unexpected
movement when servicing the unit.
Failure to properly support and secure the
vehicle and axles prior to commencing work
could create a crush hazard which, if not
avoided, could result in death or serious injury.
Service both roadside and curbside of an axle. Worn parts
should be replaced in sets. Key components on each axle’s
braking system, such as friction material, rotors and drums
will normally wear over time.
Follow all manufacturer’s instructions on spring pressure
and air pressure controls.
Failure to follow manufacturer’s instructions
regarding spring pressure or air pressure
control could allow unexpected release of
energy which, if not avoided, could result
in death or serious injury.
The wheel contact surfaces between the wheel and hub/drum
MUST NOT be additionally painted.
IMPORTANT: The wheel contact surfaces MUST be clean,
smooth and free from grease.
Failure to keep wheel and hub contact surfaces
clean and clear of foreign material could
allow wheel/hub separations which, if not
avoided, could result in death or serious injury.
Only the wheel and tire sizes approved by SAF-HOLLAND
can be used.
Tire clearance between tires and the suspension MUST be
regularly monitored and maintained.
Failure to maintain tire clearance between
tires and the nearest point of contact on
the suspension or vehicle could cause
fire or loss of vehicle control which, if not
avoided, could result in death or serious injury.

4XL-PS20053RM-en-US Rev A · 2017-10-06 · Amendments and Errors Reserved © SAF-HOLLAND, Inc., SAF-HOLLAND, HOLLAND, NEWAY, SAF, and logos are trademarks of
SAF-HOLLAND S.A., SAF-HOLLAND GmbH, and SAF-HOLLAND, Inc.
Service Repair Kits 13k
SRK 48100557: LOWER CONTROL ARM KIT 13K
ITEM DESCRIPTION PART NUMBER QTY.
1Control Arm Assembly 90517255 1
2Flat Washer, Lock-Out 93600566 4
4 Nut,Hex,Lock .75"-10 GR C 93400494 2
5 Washer, Flat, Narrow, .75" 93600156 4
6Cap Screw, Hex .75"-10 x 6" GR 8 93003659 2
9
LSZ13/20 Repair Manual, Control
Arm and Bushing (not shown) XL-PS20053RM-en-US 1
10
Crossmember Service Bulletin
(not shown) XL-PS20037SB-en-US 1
11 Cap Screw, Hex .75"-10 x 6.5" GR 8 93003671 1
12 Shim, .005" Thick 90036302 2
13 Shim, .010" Thick 90036303 2
14 Shim, .020" Thick 90036304 2
SRK 48100557
1
2
2
2
4
4
5
5
5
5
6
6
11
12
13
14
2
SRK 48100558
1
SRK 48100608: UPPER CONTROL ARM KIT 13K
ITEM DESCRIPTION PART NUMBER QTY.
1Control Arm Assembly 90517255 1
2Flat Washer, Lock-Out 93600566 4
3Cap Screw, Hex, .75"-10 x 6.75" GR 8 93003677 1
4Nut, Hex, Lock .75"- 10 GR C 93400494 2
5 Washer, Flat, Narrow, .75" 93600156 4
6Cap Screw, Hex .75" - 10 x 6" GR 8 93003659 1
9Cap Screw, Hex, .75"-10 x 7" GR 8 93003683 1
10
LSZ13/20 Repair Manual, Control
Arm and Bushing (not shown) XL-PS20053RM-en-US 1
11
Crossmember Service Bulletin
(not shown) XL-PS20037SB-en-US 1
12 Shim, .005" Thick 90036302 2
13 Shim, .010" Thick 90036303 2
14 Shim, .020" Thick 90036304 2
SRK 48100558: UPPER CONTROL ARM KIT 13K
ITEM DESCRIPTION PART NUMBER QTY.
1Bearing/Bushing Tool 50544017 1
2
LSZ13/20 Repair Manual, Control
Arm and Bushing (not shown) XL-PS20053RM-en-US 1
3
Crossmember Service Bulletin
(not shown) XL-PS20037SB-en-US 1
SRK 48100608
1
2
2
2
4
4
5
5
5
5
6
6
11
12
13
14
2

5
XL-PS20053RM-en-US Rev A · 2017-10-06 · Amendments and Errors Reserved © SAF-HOLLAND, Inc., SAF-HOLLAND, HOLLAND, NEWAY, SAF, and logos are trademarks of
SAF-HOLLAND S.A., SAF-HOLLAND GmbH, and SAF-HOLLAND, Inc.
Service Repair Kits 13k
SRK 48100553
SRK 48100607
SRK 48100553: LOWER BUSHING KIT 13K
ITEM DESCRIPTION PART NUMBER QTY.
1 Bushing 90008280 4
2 Core Pin-Coated 90038544 4
3Flat Washer, Lock-Out 93600566 8
4Nut, Hex, Lock .75"-10 GR C 93400494 4
5Cap Screw, Hex .75" - 10 x 6" GR 8 93003659 4
6 Washer, Flat, Narrow, .75" 93600156 8
7Cap Screw, Hex .75" - 10 x 6.5" GR 8 93003671 2
8
LSZ13/20 Repair Manual, Control
Arm and Bushing (not shown) XL-PS20053RM-en-US 1
11
Crossmember Service Bulletin
(not shown) XL-PS20037SB-en-US 1
12 Shim, .005" Thick 90036302 2
13 Shim, .010" Thick 90036303 4
14 Shim, .020" Thick 90036304 4
SRK 48100607: UPPER BUSHING KIT 13K
ITEM DESCRIPTION PART NUMBER QTY.
1 Bushing 90008280 4
2 Core Pin-Coated 90038544 4
3Flat Washer, Lock-Out 93600566 8
4Nut, Hex, Lock .75"-10 GR C 93400494 4
5Cap Screw, Hex .75" - 10 x 6" GR 8 93003659 2
6 Washer, Flat, Narrow, .75" 93600156 8
7Cap Screw, Hex .75" - 10 x 6.75" GR 8 93003677 2
9
LSZ13/20 Repair Manual, Control
Arm and Bushing (not shown) XL-PS20053RM-en-US 1
11
Crossmember Service Bulletin
(not shown) XL-PS20037SB-en-US 1
12 Cap Screw, Hex, .75"-10 x 7" GR 8 93003683 1
13 Shim, .005" Thick 90036302 4
14 Shim, .010" Thick 90036303 4
15 Shim, .020" Thick 90036304 4
1
1
2
2
4
5
3
3
3
3
6
6
64
6
5
12
13
14
7
1
1
2
2
4
5
3
3
3
3
6
6
64
6
5
12
13
14
7

6XL-PS20053RM-en-US Rev A · 2017-10-06 · Amendments and Errors Reserved © SAF-HOLLAND, Inc., SAF-HOLLAND, HOLLAND, NEWAY, SAF, and logos are trademarks of
SAF-HOLLAND S.A., SAF-HOLLAND GmbH, and SAF-HOLLAND, Inc.
Service Repair Kits 20k
SRK 48100618
SRK 48100631
SRK 48100618: LOWER CONTROL ARM KIT 20K
ITEM DESCRIPTION PART NUMBER QTY.
1Control Arm Assembly, Lower 90517309 1
2 Washer, Lock-Out 93600566 4
3Cap Screw, Hex .875 - 9 x 6.5 GR C 93003892 1
4Nut,Hex Lock .875 - 14 GR C 93400499 2
5 Washer, Flat, Narrow, .88" 93600160 4
6Cap Screw Hex, .875 - 14 x 6 GR 8 93003870 1
7
LSZ13/20 Repair Manual, Control
Arm and Bushing (not shown) XL-PS20053RM-en-US 1
SRK 48100631: UPPER CONTROL ARM KIT 20K
ITEM DESCRIPTION PART NUMBER QTY.
1Control Arm Assembly 90517308 1
2 Washer, Lock-Out 93600566 4
3Cap Screw, Hex .875 - 9 x 6.5 GR C 93003894 1
4Nut,Hex Lock .875 - 14 GR C 93400499 2
5 Washer, Flat, Narrow, .88" 93600160 4
6Cap Screw Hex, .875 - 14 x 6 GR 8 93003870 1
7
LSZ13/20 Repair Manual, Control
Arm and Bushing (not shown) XL-PS20053RM-en-US 1
1
2
2
2
4
4
5
5
5
5
6
6
2
1
2
2
2
4
4
5
5
5
5
6
6
2

7
XL-PS20053RM-en-US Rev A · 2017-10-06 · Amendments and Errors Reserved © SAF-HOLLAND, Inc., SAF-HOLLAND, HOLLAND, NEWAY, SAF, and logos are trademarks of
SAF-HOLLAND S.A., SAF-HOLLAND GmbH, and SAF-HOLLAND, Inc.
Service Repair Kits 20k
SRK 48100615
SRK 48100630
SRK 48100615: LOWER BUSHING KIT 20K
ITEM DESCRIPTION PART NUMBER QTY.
1 Bushing 90008280 4
2Core Pin-Coated-7/8" Fastners Coated 90038584 4
3Flat Washer, Lock-Out 93600566 8
4Nut, Hex, Lock .875 - 14 GR C 93400499 4
5Cap Screw, Hex .875 - 14 x 6" GR 8 93003870 2
6 Washer, Flat, Narrow, .88" 93600160 8
7Cap Screw, Hex .875 - 14 x 6.5" GR 8 93003882 2
8
LSZ13/20 Repair Manual, Control
Arm and Bushing (not shown) XL-PS20053RM-en-US 1
SRK 48100630: UPPER BUSHING KIT 20K
ITEM DESCRIPTION PART NUMBER QTY.
1 Bushing 90008280 4
2Core Pin-Coated-7/8" Fastners Coated 90038584 4
3Flat Washer, Lock-Out 93600566 8
4Nut, Hex, Lock .875 - 14 GR C 93400499 4
5Cap Screw, Hex .875 - 14 x 6" GR 8 93003870 2
6 Washer, Flat, Narrow, .88" 93600160 8
7Cap Screw, Hex .875 - 14 x 7" GR 8 93003894 2
8
LSZ13/20 Repair Manual, Control
Arm and Bushing (not shown) XL-PS20053RM-en-US 1
1
1
2
2
4
5
3
3
3
3
6
6
64
6
7
1
1
2
2
4
5
3
3
3
3
6
6
64
6
7

8XL-PS20053RM-en-US Rev A · 2017-10-06 · Amendments and Errors Reserved © SAF-HOLLAND, Inc., SAF-HOLLAND, HOLLAND, NEWAY, SAF, and logos are trademarks of
SAF-HOLLAND S.A., SAF-HOLLAND GmbH, and SAF-HOLLAND, Inc.
Control Arm Removal
LSZ13/20 Control Arm and Bushing
The instructions below pertain to all procedures and must be
performed prior to replacing bushings or control arms.
1. With the vehicle unloaded and/or trailer disconnected on
a level surface, set parking brakes and chock drive tires
to prevent the vehicle from rolling forward or backward.
2. Place suspension in the in-service position. Exhaust air
pressure in the suspension air springs. Remove the air
pressure using the air pressure regulator or control valve.
2. LSZ13 Remove Lower Control Arm
Required Tools:
1-1/8" socket and wrench
Small pry bar
3/8" open-end wrench
3/4" wrench and socket
1/2" socket
Small hydraulic press or NEWAY bushing/bearing tool
Torque wrench capable of 250 ft.-lbs.
Roll of masing tape (optional)
NOTE: DO NOT remove and replace control arms on both
sides at the same time. Remove one side at a time.
1. Remove and discard two (2) 3/4" lock nuts and two (2)
3/4" washers from both lower 3/4" pivot bolts.
2. Remove and discard lower two (2) 3/4" pivot bolts and
two (2) 3/4" washers.
3. Remove the lower control arm, retain if NOT replacing.
Discard four (4) wear washers.
Servicing the upper control arm, go to Section 3
Replacing bushings in lower control arm, go to Section 6
Installing new lower control arm, go to Section 8
3. LSZ13 Remove Upper Control Arm
NOTE: DO NOT remove and replace control arms on both
sides at the same time. Remove and replace one
side at a time.
1. Record the position of all four (4) crossmember spacers
(if equipped).
2. Disconnect supply tubing to SuperChamber by depressing
release collar with 3/8" open-end wrench on fitting at
same time pulling on supply tubing (Figure 1).
3. Remove and retain two (2) 1/2" bolts, two (2) 1/2" lock
washers, and lower air spring support plate (if equipped)
that attach air spring piston to axle.
Figure 1
AIR SUPPLY TUBING
4. Remove and discard the two (2) 3/4" lock nuts and two
(2) 3/4" washers from both upper pivot bolts.
5. Extend SuperChamber™clevis to allow removal of clevis
pin and hardware. Retain the clevis pin and hardware
(Figure 1).
6. Remove and discard (2) 3/4" pivot botls and two (2) 3/4"
washers from both upper pivots.
7. Remove and retain one (1) 3/4" bolt and one (1) 3/4"
washer from lower lift bracket.
8. Remove and retain two (2) 1/2"bolts, two (2) 1/2" lock
nuts and four (4) 1/2" washers that attach lift assembly
to upper control arm.
9. Remove and discard two (2) 3/4" pivot bolts two (2) 3/4"
washers from both upper pivots.
10. Remove and retain two (2) crossmember spacers (if equipped).
11. Remove upper control arm, retain if NOT replacing.
Discard four (4) wear washers.
Installing new bushings, go to Section 6.
Replacing upper control arm, go to Section 7 discard
upper control arm.

9
XL-PS20053RM-en-US Rev A · 2017-10-06 · Amendments and Errors Reserved © SAF-HOLLAND, Inc., SAF-HOLLAND, HOLLAND, NEWAY, SAF, and logos are trademarks of
SAF-HOLLAND S.A., SAF-HOLLAND GmbH, and SAF-HOLLAND, Inc.
Control Arm Removal
4. LSZ20 Remove Lower Control Arm
Required Tools:
1-5/16" combination wrench
1-5/16" socket
3/4" socket
3/4" wrench
3/8" open-end wrench
Small hydraulic press
Roll of masking tape (optional)
Torque wrench capable of 400 ft.-lbs.
NOTE: DO NOT remove and replace control arms on both
sides at the same time. Remove and replace one
side at a time.
1. Remove and discard two (2) 7/8" lock nuts and two (2)
7/8" washers from both lower 7/8" pivot bolts.
2. Remove and discard lower two (2) 7/8" pivot bolts and
two (2) 7/8" washers.
3. Remove the lower control arm, retain if NOT replacing.
Discard four (4) wear washers.
Servicing upper control arm, go to Section 5.
Replacing bushings in lower control arm, go to Section 6.
Replacing lower control arm, go to Section 10.
5. LSZ20 Remove Upper Control Arm
NOTE: DO NOT remove both upper and lower control
arms on both sides. Remove one side at a time.
1. Remove and retain two (2) 1/2" bolts and two (2) 1/2"
lock washers that attach the air spring piston to the axle.
2. Disconnect supply tubing to SuperChamber by depressing
release collar with 3/8" open-end wrench on fitting at
same time pulling on supply tubing (Figure 1).
3. Remove and discard two (2) 7/8" lock nuts and two (2)
7/8" washers from both upper 7/8" pivot bolts.
4. Remove and retain one (1) 3/4" bolt, (1) 3/4" lock nut
and two (2) 3/4" washers from lift assembly.
5. Remove and retain lift assembly and stop tube (Figure 2)
6. Remove and discard upper two (2) 7/8" pivot bolts and
two (2) 7/8" washers from both upper pivots.
7. Remove upper control arm, retain if NOT replacing.
Discard four (4) wear washers.
Replacing bushings in control arms, go to Section 6.
Replacing control arms, go to Section 9.
Figure 2
STOP TUBE

10 XL-PS20053RM-en-US Rev A · 2017-10-06 · Amendments and Errors Reserved © SAF-HOLLAND, Inc., SAF-HOLLAND, HOLLAND, NEWAY, SAF, and logos are trademarks of
SAF-HOLLAND S.A., SAF-HOLLAND GmbH, and SAF-HOLLAND, Inc.
Figure 5
LOCK-OUT
WASHER
LOCK-OUT
WASHER
CHAMBER ATTACHMENT BORES
TOWARDS FRAME BRACKET
Bushing Replacement
6. LSZ13/LSZ20 Replacing Bushings
Required Tools:
Small hydraulic press or NEWAY bushing/bearing tool
1. Remove four (4) wear washers from both the bushings
within lower control arm.
2. Using a small hydraulic press or a NEWAY bushing/
bearing tool, remove both bushings from control arm
(Figure 3).
3. Clean control arm bushing bores using a piece of emery
cloth or a wire brush to remove any rust or attached rubber.
IMPORTANT: DO NOT use any type of petroleum-based
product such as oil or grease for pressing
in bushings.
4. Using an approved lubricant such as P-80 rubber lube, press
in two (2) new bushings into control arms. Use Figure 4 to
properly clock the bushing.
NOTE: Make sure the bushing is centered in the control arm
7. LSZ13 Install New or Rebushed
Upper Control Arm
1. Position new or re-bushed upper control arm assembly
with four (4) wear washers with lift bracket mounting holes
towards frame bracket (Figure 5).
2. If equipped with spacers install one (1) 3/4" bolt, one
(1) 3/4" washer, crossmember with two (2) crossmember
spacers and shelf bracket. Ensure spacers are re-installed
as recorded in Section 3 Step 1.
3. If equipped with wrapper and shelf bracket install one (1)
3/4" pivot bolt and one (1) 3/4" washer into wrapper
and shelf bracket.
4. Install one (1) new 3/4" upper pivot bolt and 3/4"
washer at axle enough to be flush with the outboard face
of the bushing core pin (Figure 6). Install shims to fill
the gap using the three (3) thicknesses of shims, .020",
.010" and .005" between the bushing core pin and the
clevis face (figure 6). Once gap is reduced as much as
possible, push pivot bolt all the way to allow installation
of one (1) 3/4" nut and one (1) 3/4" washer.
NOTE: To install new 3/4" lock nut and new 3/4" flat
washer at upper axle pivot connection, the thread
portion of bolt can be reached from bottom of
axle knuckle, If successful installing one (1) 3/4"
lock nut and one (1) 3/4" washer skip optional
procedures below.
Figure 3
BUSHINGS
3/4"BOLT
3/4"WASHER
3/4"WASHER
3/4"WASHER
3/4"LOCK NUT
3/4"WASHER
Figure 4
15˚15˚

11
XL-PS20053RM-en-US Rev A · 2017-10-06 · Amendments and Errors Reserved © SAF-HOLLAND, Inc., SAF-HOLLAND, HOLLAND, NEWAY, SAF, and logos are trademarks of SAF-
HOLLAND S.A., SAF-HOLLAND GmbH, and SAF-HOLLAND, Inc.
Control Arm Installation
Optional procedure to install 3/4" nut and washer:
Using a pair of needle nose pliers install the 3/4" flat
washer onto the 3/4" bolt at the upper control rod
pivot on the axle. Install the nut by rotating the bolt
and using the pair of needle nose to start the 3/4"
lock nut onto the 3/4" pivot bolt.
Optional procedure to install 3/4" nut and washer:
Using a 1-1/8" box end wrench with tape to retain
the lock nut, rotate the 3/4" upper pivot bolt to install
the 3/4" lock nut onto the upper 3/4" bolt at the axle.
5. Install lift assembly on control arm with two (2) 1/2"
bolts and two (2) 1/2" washers into lift bracket mounting
holes on upper control arm. Install two (2) 1/2" lock
nuts and two (2) 1/2" washers. Torque two (2) 1/2" bolts
according to specifications in Section 11.
6. Plug in supply tubing into fitting on SuperChamber.
7. Re-install two (2) 1/2" bolts, two (2) 1/2" lock washers,
and lower air spring support plate (if equipped) that
attach air spring piston to axle. Torque the 1/2" bolts
according to specifications in Section 11.
8. Install lower lift bracket onto the upper one (1) 3/4" pivot
bolt at the frame bracket. Rotate the lower lift bracket to
allow the installation of the clevis pin. Secure clevis pin
using one (1) 5/16" bolt and one (1) 5/16" lock washer.
Torque 5/16" bolt according to specifications in Section 11.
9. Extend chamber clevis to allow installation of the lower
one (1) 3/4" lower lift bracket bolt and 3/4" washer into
frame bracket and lower lift bracket (Figure 1).
10. Install one (1) 3/4" lock nut and one (1) 3/4" flat washer
onto the lower one (1) 3/4" lower lift bracket bolt with
one (1) 3/4" lock nut and one (1) 3/4" flat washer onto
upper one (1) 3/4" pivot bolt. Torque all 3/4" hardware
according to specifications in Section 11
Figure 6
SHIM

12 XL-PS20053RM-en-US Rev A · 2017-10-06 · Amendments and Errors Reserved © SAF-HOLLAND, Inc., SAF-HOLLAND, HOLLAND, NEWAY, SAF, and logos are trademarks of
SAF-HOLLAND S.A., SAF-HOLLAND GmbH, and SAF-HOLLAND, Inc.
Control Arm Installation
Figure 7
Figure 8
SHIM
LOCK-OUT
WASHER
LOCK-OUT
WASHER
CHAMBER ATTACHMENT BORES
TOWARDS FRAME BRACKET
8. LSZ13 Install New or Rebushed
Lower Control Arm
NOTE: Make sure all four (4) wear washers are installed
onto bushings prior to lower control arm
installation (Figure 7).
IMPORTANT: The lift bracket mounting holes in lower
control arm MUST be installed towards the
frame bracket (Figure 7).
1. Position new or re-bushed upper control arm assembly
with four (4) wear washers with chamber attachment
bores towards frame bracket (Figure 7).
2 If equipped with spacers install one (1) 3/4" bolt, one (1)
3/4" washer, crossmember, two (2) crossmember spacers
and shelf bracket.
3. If equipped with wrapper and shelf bracket install one
(1) 3/4" pivot bolt and one (1) 3/4" washer into wrapper
and shelf bracket.
4. Install new one (1) 3/4" lock nut and one (1) 3/4" washer
at lower pivot at frame bracket.
5. At axle using one (1) new 3/4" lower pivot bolt and
one (1) new 3/4" washer, install pivot bolt enough to
be flush with the outboard face of the bushing core pin
(Figure 8). Install shims to fill the gap using the three
(3) thicknesses of shims, .020", .010" and .005" between
the bushing core pin and the inside clevis face. Once the
gap is reduced as much as possible, push pivot bolt all
the way to allow installation of one (1) new 3/4" nut
and one (1) new 3/4" washer. Torque the 3/4" pivot bolts
according to specifications in Section 11.
5 Repeat on opposite side if needed, if not go to step 6.
6. Remove wheel chocks from drive tires.

13
XL-PS20053RM-en-US Rev A · 2017-10-06 · Amendments and Errors Reserved © SAF-HOLLAND, Inc., SAF-HOLLAND, HOLLAND, NEWAY, SAF, and logos are trademarks of SAF-
HOLLAND S.A., SAF-HOLLAND GmbH, and SAF-HOLLAND, Inc.
Control Arm Installation
9. LSZ20 Install New or Rebushed
Upper Control Arm
1. Position new or re-bushed upper control arm assembly
with four (4) wear washers with lift bracket mounting holes
towards frame bracket (Figure 7).
2. Install new one (1) 7/8" pivot bolt and one (1) new 7/8”
washer at upper frame bracket pivot, spacer wrapper,
shelf bracket and crossmember.
3. Re-install lift assembly onto one (1) 7/8” upper pivot bolt
at frame bracket. Install lower lift assembly one (1) 3/4"
bolt, one (1) 3/4" lock nut and one (1) 3/4" washers.
Torque the one (1) 3/4" bolt according to specifications
in Section 11.
4. Plug in supply tubing into fitting on lift assembly.
5. Install at axle one (1) 7/8" upper pivot bolt and one (1)
7/8" washer.
6. Using your hand thru window within front face of
knuckle, install one (1) 7/8" nut and one (1) 7/8" washer
(see optional procedure below). Torque 7/8" pivot bolts
according to specifications in Section 11.
Optional procedure to install 7/8" nut and 7/8"
washer: Using a 1-5/16" box end wrench with tape
to retain the lock nut, rotate the one (1) 7/8” upper
axle pivot bolt to install the one (1) 7/8" lock nut.
Torque 7/8" pivot bolts according to specifications
in Section 11.
7. Re-attach air spring to axle using two (2) 1/2" bolts with
two (2) 1/2" lock washers to air spring mounting plate on
axle. Torque two (2) 1/2" bolts according to specifications
in Section 11.

14 XL-PS20053RM-en-US Rev A · 2017-10-06 · Amendments and Errors Reserved © SAF-HOLLAND, Inc., SAF-HOLLAND, HOLLAND, NEWAY, SAF, and logos are trademarks of
SAF-HOLLAND S.A., SAF-HOLLAND GmbH, and SAF-HOLLAND, Inc.
Control Arm Installation
10. LSZ20 Install New or Rebushed
Lower Control Arm
1. Position new or re-bushed lower control arm assembly
with four (4) wear washers into axle and frame bracket.
NOTE: Make sure all four (4) wear washers are installed
onto bushings prior to lower control arm installation.
2 Install one (1) new 7/8" lower pivot bolt, one (1) new 7/8"
washer, shelf bracket and spacer wrapper at frame bracket.
3 Install one (1) 7/8" lower pivot bolt and one (1) 7/8"
washer at axle.
4 Install two (2) 7/8" lock nuts and two (2) 7/8" washers
onto two (2) lower 7/8" pivot bolts. Torque two (2) lower
7/8" pivot lock nuts to torque specified in Section 11.
5 Repeat on opposite side if needed.
6. Remove the wheel chocks from drive tires.

15
XL-PS20053RM-en-US Rev A · 2017-10-06 · Amendments and Errors Reserved © SAF-HOLLAND, Inc., SAF-HOLLAND, HOLLAND, NEWAY, SAF, and logos are trademarks of SAF-
HOLLAND S.A., SAF-HOLLAND GmbH, and SAF-HOLLAND, Inc.
Torque Specifications
11. Torque Specifications
NOTE: Torque specifications listed in this section are with clean
lubricated/coated threads, supplied by SAF-HOLLAND.
IMPORTANT: The use of special lubricants with friction
modifiers, such as Anti-Seize or Never-Seez®,
without written approval from SAF-HOLLAND
Engineering, will void warranty and could
lead to over torquing of fasteners or other
component issues.
General Information
The torque specifications listed throughout the manual are
applied to the lock nut and NOT the bolt.
IMPORTANT: Most of the fasteners used in this suspension
are Grade 8 bolts and Grade C lock nuts.
These fasteners have the strength and
hardness properties required for their
particular function. They MUST be replaced
with fasteners of the same grade, size and
form as the original in order to prevent
failure (Figure 10).
Failure to use the proper fasteners when
servicing the suspension could cause
component failure which, if NOT avoided,
could result in death or serious injury.
Failure to properly torque all fasteners
will result in component failure which,
if NOT avoided, could result in death or
serious injury.
All fasteners MUST be re-torqued after the first 100 hours
of service or 5,000 miles (8,000 km).
Refer to vehicle OEM for torque specifications for vehicle
frame fastener hardware.
COMPONENT TORQUE RANGE SIZE
Clevis Pin Assembly
18-24 ft-lb
24-33 N•m 5/16"-18
Chamber Bracket
37-50 ft-lb
50-68 N•m 1/2"-13
LSZ13 Pivot Connections
200-250 ft-lb
271-339 N•m 3/4"-10
LSZ20 Pivot Connections
330-370 ft-lb
447-502 N•m 7/8"-14
Table 1
GRADE 1 OR 2
BOLT GRADE MARKINGS
LOCK NUT GRADE MARKINGS
3 DOTS
LOCK NUT
GRADE B
LOCK NUT
GRADE C
6 DOTS
GRADE 5 GRADE 8
Figure 10

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www.safholland.ca
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www.safholland.com.mx
[email protected]
From fifth wheel rebuild kits to suspension bushing repair kits,
SAF-HOLLAND Original Parts are the same quality components used
in the original component assembly.
SAF-HOLLAND Original Parts are tested and designed to provide
maximum performance and durability. Will-fits, look-alikes or, worse
yet, counterfeit parts will only limit the performance potential and
could possibly void SAF-HOLLAND’s warranty. Always be sure to spec
SAF-HOLLAND Original Parts when servicing your
SAF-HOLLAND product.
SAF-HOLLAND INC.
1950 Industrial Blvd., Muskegon, MI 49442
www.safholland.com
XL-PS20053RM-en-US Rev A · 2017-10-06 · Amendments and Errors Reserved © SAF-HOLLAND, Inc., SAF-HOLLAND, HOLLAND, NEWAY,SAF, and logos are trademarks of SAF-HOLLAND S.A., SAF-HOLLAND GmbH, and SAF-HOLLAND, Inc.