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Specifications - BW150
66
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
Figure 13
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
Figure 14
Tighten until the nut makes contact with the seat. Use the
chart
to find the correct tightness needed.
NOTE: If the fitting leaks, disconnect and inspect the
seat area for damage.
Port Seal (O-ring Boss) Fitting
Figure 15
NOTE: Port seal and nut, washer and O-ring (O-ring
Boss) fittings use the same tightening torque
valve chart.
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 tubelines 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.
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)
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)
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” -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)
1-1/8”
1-7/16” - 12
154 (209)
1-1/4”
1-5/8” - 12
163 (221)
Summary of Contents for BW150
Page 2: ......
Page 4: ...Table of Contents BW150 4 ...
Page 6: ...Warranty Registration BW150 6 ...
Page 8: ...Introduction BW150 8 ...
Page 12: ...Safety BW150 12 ...
Page 20: ...Safety BW150 20 ...
Page 22: ...Operation BW150 22 ...
Page 34: ...Operation BW150 34 ...
Page 36: ...Maintenance BW150 36 ...
Page 42: ...Maintenance BW150 42 ...
Page 44: ...Parts Identification BW150 44 ...
Page 60: ...Parts BW150 60 ...
Page 62: ...Specifications BW150 62 ...
Page 67: ...Warranty BW150 67 WARRANTY WARRANTY 71 ...
Page 68: ...Warranty BW150 68 ...
Page 72: ...Alphabetical Index BW150 72 ...
Page 73: ......