Terex Genie Z-33/18 Installation and operating manual

1.
Service and Repair Manual
Z®-33/18
DC Power
Part No. 1268514GT
Rev A4
January 2020
From Z331815M-101 to
Z331816M-1299
Serial Number Range
From Z3318M-1300
to Z3318M-2668
From Z3318M-2669
This manual includes:
Repair procedures
Fault Codes
Electrical and Hydraulic
Schematics
For detailed maintenance
procedures, Refer to the
appropriate Maintenance
Manual for your machine.

ii Z®-33/18 Part No. 1268514GT
January 2020
Compliance
Machine Classification
Group B/Type 3 as defined by ISO 16368
Machine Design Life
Unrestricted with proper operation, inspection and
scheduled maintenance.
Important
Read, understand and obey the safety rules and
operating instructions in the Genie Z-33/18
Operator's Manual before attempting any
maintenance or repair procedure.
This manual provides troubleshooting and repair
procedures for qualified service professionals.
Basic mechanical, hydraulic and electrical
skills are required to perform most procedures.
However, several procedures require specialized
skills, tools, lifting equipment and a suitable
workshop. In these instances, we strongly
recommend that maintenance and repair be
performed at an authorized dealer service center.
Technical Publications
Genie has endeavored to deliver the highest
degree of accuracy possible. However, continuous
improvement of our products is a Genie policy.
Therefore, product specifications are subject to
change without notice.
Readers are encouraged to notify Genie of errors
and send in suggestions for improvement. All
communications will be carefully considered for
future printings of this and all other manuals.
Find a Manual for this Model
Go to http://www.genielift.com
Use the links to locate Operator's, Parts or Service
Manuals.
Contact Us:
http://www.genielift.com
e-mail: [email protected]
Introduction
Copyright © 2019 by Terex Corporation
1268514GT Rev A4 January 2020
First Edition, First Printing
"Genie" and "Z" are registered trademarks of Terex
South Dakota, Inc. in the USA and many other countries.
Printed on recycled paper

January 2020
Part No. 1268514GT Z®-33/18 iii
Revision Date Section Procedure / Page / Description
A 09/2015 Initial Release
A1 06/2016 Section 2 Specifications 2-3, 2-4
A1 06/2016 Section 3 Repair Procedure 3-37, 3-40
A1 06/2016 Section 4 Fault Codes 4-12
A1 06/2016 Section 5 Schematics 5-4, 5-5, 5-6, 5-7, 5-8, 5-9, 5-10, 5-11, 5-12
A2 09/2016 Introduction Serial Number Legend
A3 12/2017 Section 5 Schematics 5-4, 5-5, 5-6, 5-7, 5-8, 5-9, 5-10, 5-11, 5-12,
5-13, 5-14
A4 01/2020 Section 3 Repair Procedure 3-37
A4 01/2020 Section 4 Fault Codes 4-13,4-14, 4-15, 4-16, 4-17, 4-18, 4-19,
4-20, 4-21, 4-22, 4-23, 4-24, 4-25, 4-26
A4 01/2020 Section 5 Schematics 5-15, 5-16
REFERENCE EXAMPLES:
Section 2_Specifications, Machine Specifications
Section 3_Repair Procedure, 3-2
Section 4_Fault Codes, 4-4
Section 5_Schematics, 5-7
Electronic Version
Click on any procedure or page number
highlighted in blue to view the update.
Revision History

iv Z®-33/18 Part No. 1268514GT
January 2020
REVISION HISTORY, CONTINUED
Revision Date Section Procedure / Schematic Page /
Description
REFERENCE EXAMPLES:
Section 2_Specifications, Machine Specifications
Section 3_Repair Procedure, 3-2
Section 4_Fault Codes, 4-4
Section 5_Schematics, 5-7
Electronic Version
Click on any procedure or page number
highlighted in blue to view the update.

January 2020
Part No. 1268514GT Z®-33/18 v
Serial Number Legend
To August 31, 2016
1 Model
2 Model year
3 Facility code
4 Sequence number
5 Serial label (stamped on chassis)
6 Serial number (located under cover)
From September 1, 2016
1 Model
2 Facility code
3 Sequence number
4 Serial label (stamped on chassis)
5 Serial number (located under cover)
Z3318 15 M - 0101
Model:
Serial number:
Model year:
Electrical schematic number:
Manufacture date:
Machine unladen weight:
Rated work load (including occupants):
Maximum number of platform occupants:
Maximum allowable side force:
Maximum allowable inclination of the chassis:
Z331815M-0101
1/2/15 2015
1 2 3 4
5
Z3318 M - 1300
Model:
Serial number:
Electrical schematic number:
Year of manufacture:
Machine unladen weight:
Rated work load (including occupants):
Maximum number of platform occupants:
Maximum allowable side force:
Maximum allowable inclination of the chassis:
Z3318M-1300
2016
1 2 3
4
6
5

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January 2020
Part No. 1268514GT Z®-33/18 vii
Section 1 • Safety Rules
Danger
Failure to obey the instructions and safety rules
in this manual and the appropriate Operator's
Manual on your machine will result in death or
serious injury.
Many of the hazards identified in the
Operator’s Manual are also safety hazards
when maintenance and repair procedures are
performed.
Do Not Perform Maintenance
Unless:
You are trained and qualified to perform
maintenance on this machine.
You read, understand and obey:
- manufacturer’s instructions and safety rules
- employer’s safety rules and worksite
regulations
- applicable governmental regulations
You have the appropriate tools, lifting
equipment and a suitable workshop.
Safety Rules

viii Z®-33/18 Part No. 1268514GT
January 2020
Section 1 • Safety Rules
Personal Safety
Any person working on or around a machine must
be aware of all known safety hazards. Personal
safety and the continued safe operation of the
machine should be your top priority.
Read each procedure thoroughly. This
manual and the decals on the machine,
use signal words to identify the following:
Safety alert symbol—used to alert
personnel to potential personal
injury hazards. Obey all safety
messages that follow this symbol
to avoid possible injury or death.
Indicates an imminently
hazardous situation which, if not
avoided, will result in death or
serious injury.
Indicates a potentially hazardous
situation which, if not avoided,
could result in death or serious
injury.
Indicates a potentially hazardous
situation which, if not avoided,
may cause minor or moderate
injury.
Indicates a potentially hazardous
situation which, if not avoided,
may result in property damage.
Be sure to wear protective eye wear and
other protective clothing if the situation
warrants it.
Be aware of potential crushing hazards
such as moving parts, free swinging or
unsecured components when lifting or
placing loads. Always wear approved
steel-toed shoes.
DANGER
WARNING
CAUTION
NOTICE
Workplace Safety
Be sure to keep sparks, flames and
lighted tobacco away from flammable and
combustible materials like battery gases
and engine fuels. Always have an
approved fire extinguisher within easy
reach.
Be sure that all tools and working areas
are properly maintained and ready for
use. Keep work surfaces clean and free of
debris that could get into machine
components and cause damage.
Be sure any forklift, overhead crane or
other lifting or supporting device is fully
capable of supporting and stabilizing the
weight to be lifted. Use only chains or
straps that are in good condition and of
ample capacity.
Be sure that fasteners intended for one
time use (i.e., cotter pins and self-locking
nuts) are not reused. These components
may fail if they are used a second time.
Be sure to properly dispose of old oil or
other fluids. Use an approved container.
Please be environmentally safe.
Be sure that your workshop or work area
is properly ventilated and well lit.
SAFETY RULES

January 2020
Part No. 1268514GT Z®-33/18 ix
Introduction
Important Information .................................................................................. ii
Revision History...........................................................................................iii
Serial Number Legend................................................................................. v
Section 1 Safety Rules
General Safety Rules .................................................................................vii
Section 2 Specifications
Machine Specifications...........................................................................2 - 1
Performance Specifications....................................................................2 - 2
Hydraulic Specifications .........................................................................2 - 3
Hydraulic Component Specifications......................................................2 - 5
Manifold Component Specifications .......................................................2 - 5
Machine Torque Specifications ..............................................................2 - 6
Hydraulic Hose and Fitting Torque Specifications..................................2 - 7
Torque Procedure...................................................................................2 - 8
SAE and Metric Fasteners Torque Charts..............................................2 - 9
Section 3 Repair Procedures
Introduction.............................................................................................3 - 1
Platform Controls
1-1 Joystick.........................................................................................3 - 4
Table of Contents

x Z®-33/18 Part No. 1268514GT
January 2020
Section 3 Repair Procedures, continued
Platform Components
2-1 Platform Leveling Slave Cylinder ...............................................3 - 13
2-2 Platform......................................................................................3 - 14
2-3 Platform Overload System .........................................................3 - 14
2-4 Platform Overload Recovery Message.......................................3 - 16
Primary Boom Components
3-1 Cable Track................................................................................3 - 17
3-2 Primary Boom.............................................................................3 - 19
3-3 Primary Boom Lift Cylinder.........................................................3 - 22
3-4 Primary Boom Extension Cylinder..............................................3 - 23
3-5 Platform Leveling Master Cylinder .............................................3 - 24
Secondary Boom Components
4-1 Secondary Boom........................................................................3 - 26
4-2 Secondary Boom Lift Cylinder....................................................3 - 29
Hydraulic pumps
5-1 Auxiliary Pump ...........................................................................3 - 30
5-2 Function Pump ...........................................................................3 - 31
Manifolds
6-1 Function Manifold Components..................................................3 - 33
6-2 Valve Adjustments - Function Manifold......................................3 - 35
6-3 Valve Coils .................................................................................3 - 39
Turntable Rotation Components
7-1 Turntable Rotation Assembly .....................................................3 - 41
Steer Axle Components
8-1 Hub and Bearings.......................................................................3 - 43
TABLE OF CONTENTS

January 2020
Part No. 1268514GT Z®-33/18 xi
Section 3 Repair Procedures, continued
8-2 Steer Angel Sensor ....................................................................3 - 44
Non-steer Axle Components
9-1 Drive Motots ...............................................................................3 - 48
9-2 Drive Brake.................................................................................3 - 49
Motor Controller
10-1 Motor Controllers........................................................................3 - 50
Section 4 Fault Codes
Introduction.............................................................................................4 - 1
Control System Fault Codes...................................................................4 - 2
Control System Fault Code Charts.........................................................4 - 4
Motor Controller Fault Code Chart .......................................................4 - 27
Drive Motor Thermal Sensor ................................................................4 - 30
Section 5 Schematics
Introduction.............................................................................................5 - 1
Electrical Symbol Legends .....................................................................5 - 2
Hydraulic Symbol Legends.....................................................................5 - 3
Electrical Schematic ...............................................................................5 - 4
Hydraulic Schematic............................................................................ 5 - 16
TABLE OF CONTENTS

xii Z®-33/18 Part No. 1268514GT
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January 2020
Part No. 1268514GT Z®-33/18 2-1
Section 2 • Specifications
Machine Specifications
Tires and wheels
Tire size
(solid rubber)
(22x9x17 in)
56x23x43 cm
Overall tire
diameter
22 in
55,9 cm
Wheel
diameter
16 in
40,6 cm
Wheel width 9 in
Wheel lugs front 8 @ 5/8- 18
rear 9 @ 5/8- 18
Lug nut torque
(lubricated)
(dry)
94 ft-lbs - 127,5 Nm
125 ft-lbs - 169,5 Nm
Continuous improvement of our products
is a Genie policy. Product specifications are
subject to change without notice.
Fluid capacities
Hydraulic tank 6 gallons
20,8 liters
Hydraulic system
(including tank)
8 gallons
28,4 liters
Drive hubs 23 fl oz
0,68 liters
Drive hub oil type EP 80-90W gear oil
API service
classification GL5
Batteries
Type 6V DC
Group size L16GH
Quantity 8
Capacity 350 Ah
Reserve capacity @ 25A rate 750 min
Weight, each 106 lbs
48 kg
For operational specifications, refer to the
Operator's Manual.
Specifications

2-2 Z®-33/18 Part No. 1268514GT
January 2020
Section 2 • Specifications
Performance Specifications
Drive speed, stowed 3.23 mph
5,2 km/h
40 ft / 8.5 sec
12,2 m / 8,5 sec
Drive speed, boom
raised or extended
0.54 mph
0,86 km/h
40 ft / 50.8 sec
12,2 m / 50,8 sec
Drive speed, boom
extended and turntable out
the drive enable zone
0.14 mph
0,23 km/h
40 ft / 190.6 sec
12,2 m / 190,6 sec
Braking distance, maximum
on paved surface
5 to 7 ft
1,5 to 2 m
Gradeability See Operator's
Manual
Boom function speeds (from platform
controls and one operator on the platform)
Primary boom up, retracted
(-43° to 71°)
36 to 40 seconds
Primary boom down, retracted
(-43° to 71°)
46 to 50 seconds
Primary boom up, extended
(-43° to 71°)
48 to 52 seconds
Primary boom down, extended
(-43° to 71°)
55 to 59 seconds
Secondary boom up 20 to 24 seconds
Secondary boom down 20 to 24 seconds
Primary boom extend 18 to 20 seconds
Primary boom retract 18 to 20 seconds
Turntable rotate, 360° 62 to 65 seconds
Platform level
(10° range of motion)
10 to 12 seconds
Continuous improvement of our products
is a Genie policy. Product specifications are
subject to change without notice.
SPECIFICATIONS

January 2020
Part No. 1268514GT Z®-33/18 2-3
Section 2 • Specifications
Hydraulic Specifications
Hydraulic Oil Specification
Genie specifications require hydraulic oils which are
designed to give maximum protection to hydraulic
systems, have the ability to perform over a wide
temperature range, and the viscosity index should
exceed 140. They should provide excellent antiwear,
oxidation prevention, corrosion inhibition, seal
conditioning, and foam and aeration suppression
properties.
Cleanliness level,
minimum ISO 15/13
Water content,
maximum 250 ppm
Recommended Hydraulic Fluid
Hydraulic oil type Chevron Rando HD Premium
Viscosity grade 32
Viscosity index 200
Optional Hydraulic Fluids
Mineral based Shell Tellus S2 V 32
Shell Tellus S2 V 46
Shell Tellus S4 VX 32
Shell Donax TG (Dexron III)
Chevron 5606A
Biodegradable Petro Canada Environ MV 46
Fire resistant UCON Hydrolube HP-5046
Note: Genie specifications require additional
equipment and special installation instructions for
the approved optional fluids. Consult the Genie
Product Support before use.
Optional fluids may not have
the same hydraulic lifespan
and may result in component
damage.
Note: Extended machine operation can cause the
hydraulic fluid temperature to increase beyond it's
maximum allowable range. If the hydraulic fluid
temperature consistently exceeds 200°F / 90°C an
optional oil cooler may be required.
Do not top off with incompatible
hydraulic fluids. Hydraulic fluids
may be incompatible due to
the differences in base additive
chemistry. When incompatible
fluids are mixed, insoluble
materials may form and deposit
in the hydraulic system,
plugging hydraulic lines, filters,
control valves and may result in
component damage.
Note: Do not operate the machine when the
ambient air temperature is consistently above
120°F / 49°C.
Hydraulic Fluid Temperature
Range
Ambient air temperature
1 Chevron hydraulic oil 5606A
2 Petro-Canada Environ MV 46
3 UCON Hydrolube HP-5046D
4 Chevron Rando HD premium oil MV
SPECIFICATIONS
NOTICE
NOTICE

2-4 Z®-33/18 Part No. 1268514GT
January 2020
Section 2 • Specifications
SPECIFICATIONS
Chevron Rando HD Premium
Oil MV Fluid Properties
ISO Grade 32
Viscosity index 200
Kinematic Viscosity
cSt @ 200°F / 100°C 7.5
cSt @ 104°F / 40°C 33.5
Brookfield Viscosity
cP @ -4°F / -20°C 1040
cP @ -22°F / -30°C 3310
Flash point 375°F / 190°C
Pour point -58°F / -50°C
Maximum continuous operating 171°F / 77°C
temperature
Note: A hydraulic oil heating system is recommended
when the ambient temperature is consistently below
0°F / -18°C.
Note: Do not operate the machine when the ambient
temperature is below -20°F / -29°C with Rando HD
Premium MV.
Chevron 5606A Hydraulic Oil
Fluid Properties
ISO Grade 15
Viscosity index 300
Kinematic Viscosity
cSt @ 200°F / 100°C 5.5
cSt @ 104°F / 40°C 15.0
cSt @ -40°F / -40°C 510
Flash point 180°F / 82°C
Pour point -81°F / -63°C
Maximum continuous operating 124°F / 51°C
temperature
Note: Use of Chevron 5606A hydraulic fluid, or
equivalent, is required when ambient temperatures
are consistently below 0°F / -17°C unless an oil
heating system is used.
Continued use of Chevron
5606A hydraulic fluid, or
equivalent, when ambient
temperatures are consistently
above 32°F / 0°C may result in
component damage
Petro-Canada Environ MV 46
Fluid Properties
ISO Grade 46
Viscosity index 154
Kinematic Viscosity
cSt @ 200°F / 100°C 8.0
cSt @ 104°F / 40°C 44.4
Flash point 482°F / 250°C
Pour point -49°F / -45°C
Maximum continuous operating 180°F / 82°C
temperature
Shell Tellus S4 VX Fluid
Properties
ISO Grade 32
Viscosity index 300
Kinematic Viscosity
cSt @ 200°F / 100°C 9
cSt @ 104°F / 40°C 33.8
Brookfield Viscosity
cP @ -4°F / -20°C 481
cP @ -13°F / -25°C 702.4
cP @ -40°F / -40°C 2624
Flash point >100
Pour point -76°F / -60°C
Maximum continuous operating 103°F / 75°C
temperature
UNCON Hydrolube HP-5046
Fluid Properties
ISO Grade 46
Viscosity index 192
Kinematic Viscosity
cSt @ 149°F / 65°C 22
cSt @ 104°F / 40°C 46
cSt @ 0°F / 18°C 1300
Flash point None
Pour point -81°F / -63°C
Maximum continuous operating 189°F / 87°C
temperature
NOTICE

January 2020
Part No. 1268514GT Z®-33/18 2-5
Section 2 • Specifications
Hydraulic Components
Specifications
Functions Pump
Type: fixed displacement gear
pump
Displacement 0.244 cu in
4 cc
Flow rate @ 3000 rpm 3.2 gpm
12 l/min
High pressure filter Beta 3 ≥200
with 101 psi / 7 bar bypass
Function Manifold
Proportional relief
pressure, variable
50 to 3000 psi
3,4 to 207 bar
Primary boom down
relief valve pressure
1885 psi
130 bar
Secondary boom down
relief valve pressure
1885 psi
130 bar
Platform level
flow regulator
0.6 gpm
2,27 l/min
Auxiliary pump
Type: fixed displacement
gear pump
Displacement 0.5 gpm
1,9 l/min
Manifold Component
Specifications
Plug Torque
SAE No. 2 36 in-lbs / 4 Nm
SAE No. 4 10 in-lbs / 13 Nm
SAE No. 6 14 in-lbs / 19 Nm
SAE No. 8 38 in-lbs / 51 Nm
SAE No. 10 41 in-lbs / 55 Nm
SAE No. 12 56 in-lbs / 76 Nm
Valve Coil Resistance
Note: The following coil resistance specifications
are at an ambient temperature of 68°F / 20°C. As
valve coil resistance is sensitive to changes in air
temperature, the coil resistance will typically increase
or decrease by 4% for each 18°F / 10°C that your
air temperature increases or decreases from 68°F /
20°C.
Valve Coil Resistance Specification
Description Specification
Proportional solenoid valve,
3 position 4 way, 20V DC
24 Ω
Solenoid valve,
3 position 4 way, 20V DC
24 Ω
Proportional solenoid relief
valve
22 Ω
SPECIFICATIONS

2-6 Z®-33/18 Part No. 1268514GT
January 2020
Section 2 • Specifications
Machine Torque
Specifications
Axles
M16x2 mounting bolt, GR
8.8 (dry)
M16x2 mounting bolt, GR
8.8 (lubricated)
166 ft-lbs
226 Nm
125 ft-lbs
170 Nm
M20 x 2.5 steer link bolt,
GR 8.8 (dry)
M20 x 2.5 steer link bolt,
GR 8.8 (lubricated)
180 ft-lbs
244 Nm
140 ft-lbs
189 Nm
Turntable rotate assembly
Rotate bearing mounting
bolts, lubricated
173 ft-lbs
235 Nm
Rotate bearing motor/brake
mounting bolts, lubricated
87 ft-lbs
110 Nm
Drive motor and hubs
Drive hub mounting bolts,
lubricated
180 ft-lbs
244 Nm
Drive motor mounting bolts,
lubricated
27.9 ft-lbs
37,8 Nm
Continuous improvement of our products is
a Genie policy. Product specifications are
subject to change without notice.
SPECIFICATIONS

January 2020
Part No. 1268514GT Z®-33/18 2-7
Section 2 • Specifications
Hydraulic Hose and Fitting
Torque Specifications
Your machine is equipped with Parker Seal-Lok™
ORFS or 37° JIC fittings and hose ends.
Genie specifications require that fittings and hose
ends be torqued to specification when they are
removed and installed or when new hoses or
fittings are installed.
Seal-LokTM Fittings
(hose end - ORFS)
SAE Dash size Torque
-4 10 ft-lbs / 13.6 Nm
-6 30 ft-lbs / 40.7 Nm
-8 40 ft-lbs / 54.2 Nm
-10 60 ft-lbs / 81.3 Nm
-12 85 ft-lbs / 115 Nm
-16 110 ft-lbs / 150 Nm
-20 140 ft-lbs / 190 Nm
-24 180 ft-lbs / 245 Nm
JIC 37° Fittings
(swivel nut or hose connection)
SAE Dash size Thread Size Flats
-4 7/16-20 2
-6 9/16-18 1 1/4
-8 3/4-16 1
-10 7/8-14 1
-12 1 1/16-12 1
-16 1 5/16-12 1
-20 1 5/8-12 1
-24 1 7/8-12 1
SAE O-ring Boss Port
(tube fitting - installed into Aluminum)
(all types)
SAE Dash size Torque
-4 14 ft-lbs / 19 Nm
-6 23 ft-lbs / 31.2 Nm
-8 36 ft-lbs / 54.2 Nm
-10 62 ft-lbs / 84 Nm
-12 84 ft-lbs / 114 Nm
-16 125 ft-lbs / 169.5 Nm
-20 151 ft-lbs / 204.7 Nm
-24 184 ft-lbs / 249.5 Nm
SAE O-ring Boss Port
(tube fitting - installed into Steel)
SAE Dash size Torque
-4 ORFS / 37° (Adj)
ORFS (Non-adj)
37° (Non-adj)
15 ft-lbs / 20.3 Nm
26 ft-lbs / 35.3 Nm
22 ft-lbs / 30 Nm
-6 ORFS (Adj / Non-adj)
37° (Adj / Non-adj)
35 ft-lbs / 47.5 Nm
29 ft-lbs / 39.3 Nm
-8 ORFS (Adj / Non-adj)
37° (Adj / Non-adj)
60 ft-lbs / 81.3 Nm
52 ft-lbs / 70.5 Nm
-10 ORFS (Adj / Non-adj)
37° (Adj / Non-adj)
100 ft-lbs / 135.6 Nm
85 ft-lbs / 115.3 Nm
-12 (All types) 135 ft-lbs / 183 Nm
-16 (All types) 200 ft-lbs / 271.2 Nm
-20 (All types) 250 ft-lbs / 339 Nm
-24 (All types) 305 ft-lbs / 413.5 Nm
SPECIFICATIONS
Non-adjustable
fitting (Non-
adj)
Jamb nut
Adjustable
fitting (Adj)

2-8 Z®-33/18 Part No. 1268514GT
January 2020
Section 2 • Specifications
SPECIFICATIONS
Torque Procedure
Seal-LokTM fittings
1 Replace the O-ring. The O-ring must be
replaced anytime the seal has been broken.
The O-ring cannot be re-used if the fitting or
hose end has been tightened beyond finger
tight.
Note: The O-rings used in the Parker Seal Lok™
fittings and hose ends are custom-size O-rings.
They are not standard SAE size O-rings. They are
available in the O-ring field service kit (Genie part
number 49612).
2 Lubricate the O-ring before installation.
3 Be sure that the face seal O-ring is seated and
retained properly.
4 Position the tube and nut squarely on the face
seal end of the fitting and tighten the nut finger
tight.
5 Tighten the nut or fitting to the appropriate
torque per given size as shown in the table.
6 Operate all machine functions and inspect the
hoses and fittings and related components to
confirm that there are no leaks.
JIC 37° fittings
1 Align the tube flare (hex nut) against the nose
of the fitting body (body hex fitting) and tighten
the hex nut to the body hex fitting to hand-tight,
approximately 30 in-lbs / 3.4 Nm.
2 Make a reference mark on one of the flats of
the hex nut, and continue it on to the body hex
fitting with a permanent ink marker. Refer to
Figure 1.
3 Working clockwise on the body hex fitting,
make a second mark with a permanent ink
marker to indicate the proper tightening
position. Refer to Figure 2.
Note: Use the JIC 37° Fittings table on the
previous page to determine the correct number of
flats for the proper tightening position.
Note: The marks indicate that the correct
tightening positions have been determined. Use
the second mark on the body hex fitting to properly
tighten the joint after it has been loosened.
4 Tighten the hex nut until the mark on the hex
nut is aligned with the second mark on the body
hex fitting.
5 Operate all machine functions and inspect the
hoses and fittings and related components to
confirm that there are no leaks.
a
b
c
a
b
c
b
Figure 1
a hex nut
b reference mark
c body hex fitting
Figure 2
a body hex fitting
b reference mark
c second mark