Sae Flare Connection - Manitowoc 999 Service And Maintenance Manual

999 SERVICE/MAINTENANCE MANUAL

SAE Flare Connection

1. Tighten nut finger tight until sealing surfaces touch.
2. Mark a line (use felt pen or marker) on adapter and
extend it onto connector nut
S108
View A
Table 2-8. SAE 37° Flare Tightening
Connector Nut Size
inch across flats
9/16
5/8
11/16
7/8
1
1-1/4
1-1/2
2
2-1/4
Manitowoc
(Figure 2-7, View A).
Line
Connector Adapter
Nut
Fitting Adapter Flats
Size to Rotate
-04 2-1/2
-05 2-1/2
-06 2
-08 2
-10 1-1/2 – 2
-12 1
-16 3/4 – 1
-20 3/4 – 1
-24 1/2 – 3/4
Published 05-16-17, Control # 233-03
3. Using wrenches, tighten connector nut the number of
flats shown in Table 2-8. (Figure
4. Misalignment of marks will show how much nut has
been tightened, and that it has been tightened.
Turn connector nut required
number of flats
View B
Table 2-9. SAE 37° Flare Leakage
Causes
Joint loose.
Sealing surfaces dirty.
Sealing surfaces not smooth;
scratched or gouged.
Sealing surfaces cracked.
SAE 45° parts used with SAE
37° parts.
HYDRAULIC SYSTEM
2-7, View B).
(Table 2-8.)
FIGURE 2-7
Cures
Tighten properly.
Clean.
Replace faulty parts.
Replace faulty parts.
Use only SAE 37° parts.
2-11
2