2021-06-10
556-235Q
Series II Disk Harrow
Appendix - Reference Information 20
Tire Inflation & Warranty
Hydraulic Connectors and Torque
Refer to Figure 19 (a hypothetical fitting)
Leave any protective caps in place until immediately
prior to making a connection.
Tire Inflation Chart
Tire Warranty Information
Wheel
Tire Size
Inflation
All tires are warranted by the original manufacturer of the tire. Tire
warranty information is found in the brochures included with your
Operator’s and Parts Manuals or online at the manufacturer’s web sites
listed below. For assistance or information, contact your nearest
Authorized Farm Tire Retailer.
ManufacturerWeb site
Firestone www.firestoneag.com
Gleason www.gleasonwheel.com
Titan www.titan-intl.com
Galaxy www.atgtire.com
BKT www.bkt-tire.com
Wing
12.5L x 15
12-Ply RI
52 psi
(358 kPa)
Transport
340/60 R 16.5
73 psi
(503 kPa)
Transport
380/55 R 16.5
73 psi
(503 kPa)
Hydraulic Gauge
Wheel
11L x 15
12-Ply RI
52 psi
(358 kPa)
Manual Gauge
Wheel
9.5 x 15
8-Ply
44 psi
(303 kPa)
NPT
- National Pipe Thread
Note tapered threads, no cone/flare, and no O
-
ring.
Apply liquid pipe sealant for hydraulic applications.
Do not use tape sealant, which can clog a filter and/or
plug an orifice.
JIC
- Joint Industry Conference (SAE J514)
Note straight threads and the 37
cone on
“M” fittings (or 37
flare on “F” fittings).
Use no sealants (tape or liquid) on JIC fittings.
ORB
- O
-
Ring Boss (SAE J514)
Note straight threads and elastomer O
-
Ring .
Prior to installation, to prevent abrasion during tightening,
lubricate O
-
Ring with clean hydraulic fluid.
Use no sealants (tape or liquid) on ORB fittings.
ORB fittings that need orientation, such as the ell
depicted, also have a washer and jam nut
(“adjustable thread port stud”). Back jam nut away from
washer. Thread fitting into receptacle until O
-
Ring
contacts seat. Unscrew fitting to desired orientation.
Tighten jam nut to torque specification.
2
5
4
9
8
7
5
3
Figure 19
Hydraulic Connector ID
31282
Fittings Torque Values
Dash
Size
Fitting
N-m
Ft-Lbs
-4
1
4
-18 NPT
1.5-3.0 turns past finger
tight
-5
1
2
-20 JIC
19-20
14-15
-5
1
2
-20 ORB w/jam nut
12-16
9-12
-5
1
2
-20 ORB straight
19-26
14-19
-6
9
16
-18 JIC
24-27
18-20
-6
9
16
-18 ORB w/jam nut
16-22
12-16
-6
9
16
-18 ORB straight
24-33
18-24
-8
3
4
-16 JIC
37-53
27-39
-8
3
4
-16 ORB w/jam nut
27-41
20-30
-8
3
4
-16 ORB straight
37-58
27-43
1
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