Farm King 1684, Operator And Parts Manual, Page: 151 / 158

Specifications - 1684, 16104, 16124 Backsaver Auger
149
HYDRAULIC CONNECTION
SPECIFICATIONS
O-Ring Fitting (Straight Thread)
Lubricate the O-ring before installing the fitting.
Loosen the jam nut and install the fitting. Tighten
the jam nut until the washer is tight against the
surface.
O-Ring Face Seal Connection
O-ring Face Seal Tightening Torque
Tubeline O.D. Thread Size N•m (ft-lb)
1/4” 9/16” - 18 13 (18)
3/8” 11/16” - 16 22 (30)
1/2” 13/16” - 16 40 (54)
5/8” 1” - 14 60 (81)
3/4” 1-3/16” - 12 84 (114)
7/8” 1-3/16” - 12 98 (133)
1” 1-7/16” - 12 118 (160)
1-1/4” 1-11/16” - 12 154 (209)
1-1/2” 2” - 12 163 (221)
When the fitting is tightened, you can feel when
the fitting is tight to eliminate leakage caused by
under or over torqued fittings. Use petroleum jelly
to hold the O-ring in position until the fittings are
assembled.
Flare Fitting
Flare Fitting Tightening Torque
Tubeline O.D. Thread Size N • m (ft-lb)
1/4” 7/16” - 20 13 (18)
5/16” 1/2” - 20 17 (23)
3/8” 9/16” - 18 22 (30)
1/2” 3/4” - 16 40 (54)
5/8” 7/8” - 14 60 (81)
3/4” 1-1/16” - 12 84 (114)
7/8” 1-3/16” - 12 98 (133)
1” 1-5/16” - 12 118 (160)
1-1/4” 1-5/8” - 12 154 (209)
1-1/2” 1-7/8” - 12 163 (221)
2” 2-1/2” - 12 252 (342)
Tighten until the nut makes contact with the
seat. Use the chart [Figure 57] to find the correct
tightness needed.
Port Seal (O-Ring Boss) Fitting
Port Seal And O-ring Boss Tightening Torque
Tubeline O.D. Thread Size N•m (ft-lb)
1/4” 7/16” - 20 13 (18)
3/8” 9/16” - 18 22 (30)
1/2” 3/4” -1 6 40 (54)
5/8” 7/8” - 14 60 (81)
3/4” 1-1/16” - 12 84 (114)
7/8” 1-3/16” - 12 98 (133)
1” 1-5/16” - 12 118 (160)
1-1/8” 1-7/16” - 12 154 (209)
1-1/4” 1-5/8” - 12 163 (221)
Note: Port seal and nut, washer and O-ring (O-ring
Boss) fittings use the same tightening
torque valve chart [Figure 58].
If a torque wrench cannot be used, use the
following method.
Tighten the nut until it just makes metal to metal
contact, you can feel the resistance.
Tighten the nut with a wrench no more than one
hex flat maximum.
Do not over tighten the port seal fitting.
Note: If a torque wrench cannot be used, use
the hex flat tightening method as an
approximate guideline.
Note: Port seal fittings are not recommended in
all applications. Use O-ring boss fittings in
these applications.
Tubelines And Hoses
Replace any tube lines that are bent or flattened.
They will restrict flow, which will slow hydraulic
action and cause heat.
Replace hoses which show signs of wear, damage
or weather cracked rubber.
Always use two wrenches when loosening and
tightening hose or tubeline fittings.