cascade corporation F Series User manual

Cascade is a Registered Trademark of Cascade Corporation
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ERVICE MANUAL
S
F-Series
Double-Wide Sideshifter
Manual Number 6903351

i6903351
CONTENTS
Page
INTRODUCTION, Section 1
Introduction 1
Special Definitions 1
PERIODIC MAINTENANCE, Section 2
Daily 2
1000-Hour Maintenance 2
2000-Hour Maintenance 2
TROUBLESHOOTING, Section 3
General Procedures 3
Truck System Requirements 3
Tools Required 3
Troubleshooting Chart 3
Plumbing 4
Hosing Diagram –Independent Sideshift 4
Hydraulic Schematic –
Independent Sideshift 5
Hosing Diagram –
Simultaneous OPEN/CLOSE 6
Hydraulic Schematic –
Simultaneous OPEN/CLOSE 6
Hosing Diagram –Simultaneous
OPEN/CLOSE and LEFT/RIGHT 7
Hydraulic Schematic –Simultaneous
OPEN/CLOSE and LEFT/RIGHT 8
Sideshift Frames 9
Supply Circuit Test 9
Independent Sideshift Circuit Test 10
Simultaneous LEFT/RIGHT Sideshift
Frame Circuit Test 11
Simultaneous OPEN/CLOSE Sideshift
Frame Circuit Test 12
Electrical Circuit 13
Page
SERVICE, Section 4
Attachment Removal 14
Sideshift Frames Removal 14
Base Frame Removal 15
Frame Service 16
Bearing Lubrication 16
Sideshift Frame Bearing Service 17
Base Frame Bearing Service 18
Cylinder Service 19
Removal and Installation 19
Rod Seal Replacement 20
Valve 21
Valve Removal 21
Valve Service 21
Solenoid Valve 22
Coil Service 22
Valve Service 22
SPECIFICATIONS, Section 5
Specifications 23
Hydraulics 23
Auxiliary Valve Functions 23
Truck Carriage 24
Torque Values 25

INTRODUCTION
16903351
1.2 Special Definitions
The statements shown appear throughout this manual
where special emphasis is required. Read all WARNINGS
and CAUTIONS before proceeding with any work.
Statements labeled IMPORTANT and NOTE are provided
as additional information of special significance or to make
the job easier.
WARNING - A statement preceded by
WARNING is information that should be
acted upon to prevent bodily injury. A
WARNING is always inside a ruled box.
CAUTION - A statement preceded by CAUTION is
information that should be acted upon to prevent
machine damage.
IMPORTANT - A statement preceded by IMPORTANT is
information that possesses special significance.
NOTE - A statement preceded by NOTE is information that
is handy to know and may make your job easier.
1.1 Introduction
This manual provides the Periodic Maintenance, Troubleshooting,
Service and Specifications for Cascade F-Series Double-Wide
Sideshifters.
In any communication about the attachment, refer to the product
catalog and serial numbers stamped on the nameplate. If the
nameplate is missing, the numbers can be found stamped on the
base frame where the plate was mounted.
IMPORTANT: All hoses and fittings on F-Series Double-Wide
Sideshifters are JIC as standard, with metric and face seal as an
option.
NOTE: Specifications are shown in US and (metric) units where
applicable. All fasteners have a torque value range of ±10% of
stated value.
Nameplate
SS1437.eps

26903351
PERIODIC MAINTENANCE
SS1422.eps
WARNING: After completing any service
procedure, always test the attachment
through five complete cycles. First test
empty, then test with load to make sure
attachment operates correctly before
returning it to the job.
2.1 Daily
Check the items shown each day. Report problems to the
on-duty supervisor. Refer to Section 3 for Troubleshooting
and Section 4 for Service procedures.
2.2 1000-Hour Maintenance
Every time the lift truck is serviced or every 1000 hours
of truck operation, complete the following maintenance
procedures:
• Check for loose or missing bolts, worn or damaged
hoses, hydraulic leaks, and damaged or missing
fork stops.
• Inspect lower hooks for wear and proper clearance.
Adjust if necessary, refer to the Section 4.1-2,
Step 4. Tighten lower hook capscrews to 120 ft.-lbs.
(165 Nm).
• Tighten backrest capscrews (Cascade) to
145 ft.-lbs. (195 Nm).
• Inspect upper and lower bearings for wear. If any
bearing is worn to less than 0.09 in. (2.5 mm)
thickness, replace the entire bearing set. Refer to
Sections 4.2-2 and 4.2-3.
• Apply general-purpose chassis grea se to sideshift
frame upper and lower bearings.
2.3 2000-Hour Maintenance
After 2000 hours of truck operation, in addition to the
daily inspections and 1000-hour maintenance, forks
in use shall be inspected at intervals of not more than
12 months (for single shift operations) or whenever any
defect or permanent deformation is detected. Severe
applications will require more frequent inspection.
Fork inspection shall be carried out by trained
personnel to detect any damage that might impair safe
use. Any fork that is defective shall be removed from
service. Reference ANSI B56.1-2005.
Inspect for the following defects:
• Surface cracks
• Straightness of blade and shank
• Fork angle
• Difference in height of fork tips
• Positioning lock
• Wear on fork blade and shank
• Wear on fork hooks
• Legibility of marking
NOTE: Fork Safety Kit 3014162 contains wear calipers,
inspection sheets and safety poster. Also available is
fork hook & carriage wear gauge 209560 (Class II).
WARNING: If the fork locking pin is not
fully engaged, the fork could become
disengaged from the carriage.
Forks
Cylinders and
hoses for leaks
Backrest
Fork Lock Pins Fork Stops
Upper and lower
hook engagement
Fasteners

TROUBLESHOOTING
36903351
3.1 General Procedures
3.1-1 Truck System Requirements
• Truck hydraulic pressure should be within the range
shown in Specifications, Section 5.1. PRESSURE TO
THE ATTACHMENT MUST NOT EXCEED 3500 psi
(240 bar).
• Truck hydraulic flow should be within the range shown in
Specifications, Section 5.1.
• Hydraulic fluid supplied to the attachment must meet
the requirements shown in Specifications, Section 5.1.
3.1-2 Tools Required
In addition to a normal selection of mechanic's hand tools,
the following are required:
• In-line Flow Meter Kit:
10 GPM (37 L/min) – Cascade Part No. 671476
• Pressure Gauge Kit:
5000 psi (345 bar) – Cascade Part No. 671212
• Assorted fittings, hoses, and quick-disconnect couplers
as required.
WARNING: Before servicing any
hydraulic component, relieve pressure
in the system. Turn the truck off and
move the truck auxiliary control valves
several times in both directions.
After completing any service procedure, test the
attachment through several cycles. First test
the attachment empty to bleed any air trapped
in the system to the truck tank. Then test the
attachment with a load to be sure it operates
correctly before returning to the job.
Stay clear of the load while testing. Do not raise
the load more than 4 in. (10 cm) off the floor while
testing.
GA0013.eps
GA0014.eps
AC0127.eps
Flow Meter Kit:
671476 – 10 GPM (37 L/min)
(2) No. 8
JIC/O-Ring Flow Meter
(2) No. 6-8
JIC Reducer
Pressure Gauge Kit:
671212
Pressure
Gauge ▲No. 6-6 Hose ▲
No. 6 and No. 8
JIC Swivel Tee
No. 6-8 JIC
Reducer
No. 4, No. 6 ▲
and No. 8
JIC/O-Ring
No. 4-6
Pipe/JIC ▲
▲NOTE: Diagnostics Kit 394382
includes items marked.
Male Straight Thread
O-Ring Coupler:
No. 4 (Part No. 212282) ▲
No. 5 (Part No. 210378)
No. 6 (Part No. 678592)
Female JIC Thread
Coupler:
No. 4 (Part No. 210385) ▲
No. 6 (Part No. 678591)
Quick-Disconnect Couplers
3.1-3 Troubleshooting Chart
Determine All The Facts – It is important that all
the facts regarding the problem are gathered
before beginning service procedures. The first
step is to talk to the equipment operator. Ask for
a complete description of the malfunction. The
following guidelines can be used as a starting point
to begin troubleshooting procedures:
• Attachment sideshift frame does not sideshift or
open/close.
• Attachment sideshift frame(s) move slowly.
To correct these problems, see Section 3.3.

46903351
TROUBLESHOOTING
SS1448.eps
3.2 Plumbing
3.2-1 Hosing Diagram – Independent Sideshift
Two Auxiliary Control Valves
Solenoid
LEFT SIDESHIFT FRAME,
SIDESHIFT RIGHT
PRESSURE
RETURN
NOTE: For SIDESHIFT LEFT,
reverse the colors shown.
LEFT SIDESHIFT FRAME,
SIDESHIFT RIGHT
PRESSURE
RETURN
NOTE: For SIDESHIFT LEFT,
reverse the colors shown.
RIGHT SIDESHIFT FRAME,
SIDESHIFT RIGHT
PRESSURE
RETURN
NOTE: For SIDESHIFT LEFT,
reverse the colors shown.
RIGHT SIDESHIFT FRAME,
SIDESHIFT RIGHT (Push Button)
PRESSURE
RETURN
NOTE: For SIDESHIFT LEFT,
reverse the colors shown.
Left Frame
Sideshift Cylinder
Left Frame
Sideshift Cylinder
Right Frame
Sideshift Cylinder
Right Frame
Sideshift Cylinder
Solenoid Valve
Left Frame – De-Energized
Right Frame – Energized
Right Sideshift Frame
Truck Auxiliary Valve
INDEPENDENT
SIDESHIFT
Truck Auxiliary Valve
Left Sideshift Frame
Truck Auxiliary Valve
T
P
C1
C2
C3
C4

TROUBLESHOOTING
56903351
T
1234
P
BA BA
BA
123 4
123
41
23 4
SS1449.eps
3.2-2 Hydraulic Schematic –
Independent Sideshift
Left Frame
Sideshift Cylinder
Right Frame
Sideshift Cylinder
INDEPENDENT
SIDESHIFT
Truck Auxiliary Valve
Solenoid
Valve
Truck Relief Valve Truck Relief Valve
Truck
Pump
Truck
Pump
Truck Tank Truck Tank
IHR Terminals IHR Terminal
1 2
Truck Auxiliary Valve:
1LEFT SIDESHIFT FRAME
2RIGHT SIDESHIFT FRAME
One Truck Auxiliary Valve (Solenoid Equipped)Two Truck Auxiliary Valves

66903351
TROUBLESHOOTING
FP1451.eps
SS1450.eps
3.2-3 Hosing Diagram –
Simultaneous Open/Close
3.2-4 Hydraulic Schematic –
Simultaneous Open/Close
CLOSE FRAMES
PRESSURE
RETURN
NOTE: For OPEN FRAMES, reverse
the colors shown.
Left Frame
Sideshift Cylinder
Right Frame
Sideshift Cylinder
Flow Divider/
Combiner
OPEN/CLOSE
Truck Auxiliary Valve
Truck Relief Valve
Truck
Pump
Truck Tank
IHR Terminal
Left Frame
Sideshift Cylinder
Right Frame
Sideshift Cylinder
OPEN/CLOSE
Sideshift Frames
Truck Auxiliary Valve
Internal Hose Reeving
CL
OP
Attachment Valve
CL OP

TROUBLESHOOTING
76903351
SS1452.eps
3.2-5 Hosing Diagram – Simultaneous
Open/Close and Left/Right
CLOSE FRAMES
PRESSURE
RETURN
NOTE: For OPEN FRAMES, reverse
the colors shown.
SIDESHIFT FRAMES LEFT
PRESSURE
RETURN
SLAVE
NOTE: For SIDESHIFT FRAMES RIGHT,
reverse the colors shown.
Left Frame
Sideshift Cylinder
Left Frame
Sideshift Cylinder
Right Frame
Sideshift Cylinder
Right Frame
Sideshift Cylinder
Solenoid Valve
Equipped,
De-Energized
Solenoid Valve
Equipped,
Energized
Internal Hose Reeving
Internal Hose Reeving
Internal Hose Reeving Internal Hose Reeving
Sideshift Frames
LEFT/RIGHT
Truck Auxiliary Valve
Truck
Auxiliary
Valve
Truck
Auxiliary
Valve
Sideshift Frames
LEFT/RIGHT
Truck Auxiliary Valve
T
T
P
P
CL
SSL
OP
SSR
C1
C2
C3
C4
OPEN/CLOSE
Sideshift Frames
Truck Auxiliary Valve
OPEN/CLOSE
Sideshift Frames
Truck Auxiliary Valve
1
1
2
2
1To Two Function Control Valve SSL/SSR
2To Two Function Control Valve OP/CL
1To Two Function Control Valve SSL/SSR
2To Two Function Control Valve OP/CL

86903351
TROUBLESHOOTING
T
1234
P
123234
14
12
34
SSL
CL OP
SSR
BA
BA
SS1453.eps
BA
Left Frame
Sideshift Cylinder
Right Frame
Sideshift Cylinder
Truck
Auxiliary
Valve
Truck Relief Valve Truck Relief Valve
Truck
Pump
Truck
Pump
Truck Tank Truck Tank
IHR Terminals IHR Terminal
1 2
Truck Auxiliary Valve:
1Sideshift Frames LEFT/RIGHT
2OPEN/CLOSE Sideshift Frames
One Truck Auxiliary Valve (Solenoid Equipped)Two Truck Auxiliary Valves
3.2-6 Hosing Schematic – Simultaneous
Open/Close and Left/Right
Check
Valves
Flow Divider/
Combiner
Attachment
Valve
Solenoid
Valve

TROUBLESHOOTING
96903351
SS1462.eps
3.3-1 Supply Circuit Test
1 Check the pressure supplied by the truck at the carriage
hose terminals. Pressure must be within the range shown
in Specifications, Section 5.1. PRESSURE TO THE
ATTACHMENT MUST NOT EXCEED 3500 psi (240 bar).
2 Check the flow volume at the carriage hose terminal.
Flow must be within the range shown in Specifications,
Section 5.1.
3 Fully retract the sideshifter cylinder rods. Hold the lever in
the CLOSE or LEFT position for a few seconds. Release
the lever and check for external leaks at fittings, hoses and
valve (if equipped).
3.3 Sideshift Frames
There are five potential problems that could affect the sideshift
frames:
• Binding due to bending damage or wear.
• Incorrect hydraulic pressure or flow from the truck.
• External leaks.
• Worn or defective cylinder seals.
• Solenoid-equipped – Electrical faults, defective solenoid
coil or valve.
SS1463.eps
Flow Meter on Left Frame
Cylinder, SSR Circuit
Flow Meter on Left Frame
Cylinder, CLOSE Circuit
Flow Meter on Right Frame
Cylinder, SSR Circuit
Flow Meter on Right Frame
Cylinder, SSL Circuit
To Carriage
Hose Terminal
To Carriage
Hose Terminal
2
2
Front View
Attachment with Independent Sideshifting
Front View
Attachment with Valve (Two Function Valve Shown)

10 6903351
TROUBLESHOOTING
SS1464.eps
3.3-2 Independent Sideshift Circuit Test
Perform the following for each sideshift frame:
1 Solenoid equipped – Press the solenoid button.
Listen for a 'click' at the solenoid valve. If no sound is
heard, check fuse, wiring and coil. Make sure that the
valve is not jammed. Refer to Section 4.5.
IMPORTANT: Solenoid-operated valves must be
plumbed as follows:
Left Frame – Not energized during function.
Right Frame – Energized during function.
2 Turn the truck off and relieve system pressure.
Disconnect the cylinder base end supply hose from
internal hose reeving or hose terminal fitting. Cap the
supply fitting and place the hose end in a drain.
3 Start the truck. Actuate right frame SIDESHIFT
LEFT lever or left frame SIDESHIFT RIGHT lever for
10 seconds.
• If there is substantial hydraulic flow out of the drain
hose, the cylinder is faulty and requires service.
Refer to Section 4.3.
• If there is no hydraulic flow out of the hose, the
problem is not hydraulic. Refer to the five potential
problems at the beginning of Section 3.3.
Hose end in
drain bucket
Hose end in
drain bucket
Cap
supply
fitting
Cap
supply
fitting
Front View
Base Hose End
(Right Frame Cylinder)
Base Hose End
(Left Frame
Cylinder)
Right Frame
Left Frame

TROUBLESHOOTING
116903351
4 Start the truck. Actuate the SIDESHIFT LEFT lever for
10 seconds.
• If there is substantial hydraulic flow out of the drain
hose, the right frame cylinder is faulty and requires
service. Refer to Section 4.3.
• If there is no hydraulic flow out of the hose, the left
frame cylinder may be faulty (refer to Section 4.3)
or the problem is not hydraulic. Refer to the five
potential problems at the beginning of Section 3.3.
3.3-3 LEFT/RIGHT Sideshift Frame
Circuit Test
1 Solenoid equipped – Press the solenoid button. Listen
for a 'click' at the solenoid valve. If no sound is heard,
check fuse, wiring and coil. Make sure that the valve is
not jammed. Refer to Section 4.5.
IMPORTANT: Solenoid-operated valves must be
plumbed so that the solenoid is not energized during
the SIDESHIFT function.
2 Position the sideshift frames within the base frame
width.
3 Turn the truck off and relieve system pressure.
Disconnect the right frame cylinder hose (base/head
end) at the valve. Cap the valve. Place supply hose
end into a catch bucket.
SS1465.eps
SS1466.eps
Hose end in
drain bucket
Hose end in
drain bucket
Cap supply fitting
Cap supply fitting
Front View
Front View
Attachment with Two Function Valve
Attachment with Simultaneous LEFT/RIGHT Sideshifting
Base Hose End
(Right Sideshift
Frame Cylinder)
Base Hose End
(Right Sideshift
Frame Cylinder)
2
2
2
2
3
3
4
4
4
4

12 6903351
TROUBLESHOOTING
SS1467.eps
SS1468.eps
3.3-4 OPEN/CLOSE Sideshift Frame
Circuit Test
1 Solenoid equipped – Press the solenoid button.
Listen for a 'click' at the solenoid valve. If no sound is
heard, check fuse, wiring and coil. Make sure that the
valve is not jammed. Refer to Section 4.5.
IMPORTANT: Solenoid-operated valves must be
plumbed so that the solenoid is energized during the
OPEN/CLOSE function.
2 Fully open and close the sideshift fames. If the frames
move at different speeds, the flow divider cartridge (if
attachment is valve equipped) may be faulty. Replace
the cartridge.
3 Position the sideshift frames within the base frame
width.
4 Turn the truck off and relieve system pressure.
Disconnect the right frame cylinder hose (base/head
end) at the valve. Cap the valve. Place supply hose
end into a catch bucket.
5 Start the truck. Actuate the CLOSE lever for 10
seconds.
• If there is substantial hydraulic flow out of the drain
hose, the right frame cylinder is faulty and requires
service. Refer to Section 4.3.
• If there is no hydraulic flow out of the hose, the left
frame cylinder may be faulty (refer to Section 4.3)
or the problem is not hydraulic. Refer to the five
potential problems at the beginning of Section 3.3.
Hose end in
drain bucket
Hose end in
drain bucket
Cap supply fitting
Cap supply fitting
Cap supply fitting
Two Function Valve
One Function Valve
Attachment with OPEN/CLOSE Sideshifting (One Function Valve)
Attachment with Simultaneous OPEN/CLOSE Sideshifting
Front View
Front View
Base Hose End
(Right Sideshift
Frame Cylinder)
Base Hose End
(Right Sideshift
Frame Cylinder)
5
5
5
5

TROUBLESHOOTING
136903351
3.4 Electrical Circuit
(Solenoid-equipped attachments)
Use the electrical schematic and diagram shown and
follow the steps below:
1 Check the control knob circuit fuse. Replace if
necessary.
2 Check for loose electrical connections at the truck
ignition switch, control knob button, solenoid coil
terminals and diode.
3 Remove the diode from the solenoid coil terminal.
Test with an ohmmeter for high resistance in one
direction and no resistance in the other direction. If
there is no resistance in both directions, replace the
diode.
NOTE: When replacing the diode, the banded (+) end
must be connected to the coil and wiring as shown.
4 Use a voltmeter to determine if correct voltage is
present at the electrical leads when the button is
pressed.
• If there is no voltage to the solenoid, troubleshoot the
electrical circuit for shorts or open circuits.
• If there is insufficient voltage to the solenoid, check
the circuit for excessive voltage drop.
• If there is sufficient voltage to the solenoid, test for
coil continuity. Continue to Step 5.
5 Test the coil continuity by placing an ohmmeter test lead
on each solenoid coil terminal (ohmmeter on Rx1 scale).
• If there is an ohmmeter reading, the coil is good.
• If the coil is good, but the solenoid does not 'click'
when the control knob button is pressed, the solenoid
cartridge may be jammed. Refer to Section 4.5.
• If there is no ohmmeter reading, the coil is defective
and should be replaced. Refer to Section 4.5.
CL0258.eps
CL0257.eps
7.5 Amp
Fuse White
Knob Button
(Normally
Open)
Black
Diode Solenoid Coil
Control Lever Knob
with Push Button
7.5 Amp
Fuse
White Black
Diode
User supplied wire Solenoid Coil

14 6903351
SERVICE
SS1455.eps
4.1 Attachment Removal
4.1-1 Sideshift Frames Removal
1 Remove the forks from the attachment.
2 If equipped, remove the backrests from the attachment.
For reassembly, tighten to the following torque:
Cascade Backrest – 145 ft.-lbs. (195 Nm)
Truck Manufacturer Backrest – Refer to the trucks
service for the truck manufacturer's backrest.
3 Disconnect supply hoses from the valve (if equipped) or
at the terminal.
4 Remove sideshift cylinder from sideshift frame. First,
remove the cotter pins from the cylinder anchor pins.
Then, remove the anchor pins.
5 Attach an overhead hoist to the sideshifter frame.
Slide the frame out from the base frame and lift away.
6 For installation, reverse the above procedures with the
following exceptions:
• Clean all bearing areas of built-up dirt and grease.
• Inspect sideshift frame bearings for wear and replace
as necessary. Refer to Section 4.2-2.
• If required, shim lower bearings.
• Lubricate both upper and lower sideshift frame
bearings with general-purpose chassis grease.
Anchor Pin
Extra Shims
4
5
6
6
WARNING: Before removing any hoses,
relieve pressure in the hydraulic system.
With the truck off, open the truck auxiliary
control valve(s) several time in both
directions.
WARNING: Check the attachment weight
(located on the nameplate) to make sure
the overhead hoist and chains or straps
are rated for the weight of the attachment.
Refer to nameplate for attachment weight.
Shim to
adjust
clearance
Lower
Bearing
Bearing Clearance:
0.04 in. (1 mm) minimum
0.08 in. (2 mm) maximum

SERVICE
156903351
SS0153.eps
4.1-2 Base Frame Removal
1 Remove Sideshift Frames as described in Section 4.1-1.
3 Attach an overhead hoist to the base frame.
2 Remove the lower mounting hooks and inspect for wear,
as shown. Replace if beyond wear limit.
4 For installation, reverse the above procedures with the
following exceptions:
• Clean and inspect carriage bars for damage and
smoothness. Make sure that bars are parallel and
ends are flush. Repair any protruding welds or
damaged notches by grinding, filing or welding.
• Clean all bearing areas of built-up dirt and grease.
• Inspect base frame bearings for wear and replace as
necessary. Refer to Sections 4.2-3.
• Install and adjust lower hooks, as shown.
WARNING: Check the attachment weight
(located on the nameplate) to make sure
the overhead hoist and chains or straps
are rated for the weight of the attachment.
Refer to nameplate for attachment weight.
Truck Lower
Carriage Bar
Hook Clearance:
0–Tight
Clearance:
0.04 in. (1 mm) Min.
0.08 in. (2 mm) Max.
Sideshifter
Frame
Offset on
top provides
maximum
clearance:
0.62 in.
(16 mm)
Reverse guides
to reduce
hook-to-carriage
clearance
Quick-Change Lower Hook
Bolt-On Lower Hooks
SS1469.eps
Wear
Limit
Mark
SS1456.eps
3
4
Tighten capscrews to
120 ft.-lbs. (165 Nm) Tighten capscrews to
120 ft.-lbs. (165 Nm)
Minimum
1.81 in.
(46 mm)

16 6903351
SERVICE
4.2 Frame Service
4.2-1 Bearing Lubrication
Lubricate both upper and lower sideshifter frames and
base frame bearings with general purpose chassis grease
every 1000 hours or 25 weeks of operation (whichever
comes first). In contaminated environments, lubricate
every week or as required.
SS1470.eps
SS1471.eps
Sideshift Frame Bearings
Base Frame Bearings
Front View
Front View

SERVICE
176903351
SS1457.eps
4.2-2 Sideshift Frame Bearing Service
1 Remove the sideshift frame from the truck as described
in Section 4.1-1 and lay flat on a pallet or workbench.
2 Remove the upper and lower bearings by driving out of
the frame. If any bearing is worn to less than 0.09 in.
(2.5 mm) thickness, replace all the bearings.
IMPORTANT: Use a wood block or plastic hammer to
fully seat new bearings into upper frame, as shown.
3 For reassembly, reverse the above procedures with the
following exceptions:
• Grease upper and lower bearings with general
purpose chassis grease.
2
2
Upper Bearing
Sideshift
Frame
Shim
Lower
Bearing
1
0.09 in.
(2.5 mm)
minimum
thickness
0.09 in.
(2.5 mm)
minimum
thickness

18 6903351
SERVICE
SS1458.eps
4.2-3 Base Frame Bearing Service
1 Remove the base frame from the truck as described in
Section 4.1-2 and lay flat on a pallet or workbench.
2 Remove the upper bearings by driving out of the frame.
If any bearing is worn to less than 0.09 in. (2.5 mm)
thickness, replace all the upper bearings.
IMPORTANT: Use a wood block or plastic hammer to
fully seat new bearings into upper frame, as shown.
3 Remove the lower bearings by prying them from the
lower hook mounts. If any bearing is worn to less
than 0.09 in. (2.5 mm) thickness, replace all the lower
bearings.
4 For reassembly, reverse the above procedures with the
following exceptions:
• Grease upper and lower bearings with general
purpose chassis grease.
Base Frame
Upper
Bearings
0.09 in.
(2.5 mm)
minimum 2
1
Lower Bearings
30.09 in.
(2.5 mm)
minimum