Manitowoc 14000 - SAE Flare Connection

Reference Only
HYDRAULIC SYSTEM 14000 SERVICE MANUAL
2-10
Published 09-10-14, Control # 065-24
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 (Figure 2-12
, View A).
3. Using wrenches, tighten connector nut the number of
flats shown in Table 7 (Figure 2-12
, View B).
4. Misalignment of marks will show how much nut has
been tightened, and best of all that it has been tightened.
Table 2-8
SAE 37°Flare Tightening
Table 2-9
SAE 37° Flare Leakage
FIGURE 2-12
Adapter
Line
Connector
Nut
View A
S108
Turn connector nut required
number of flats (Table 2-8)
View B
Connector Nut Size
Across Flats - inch
(mm)
Fitting Size
Adapter Flats
to Rotate
9/16 (14,29) -04 2-1/2
5/8 (15,88) -05 2-1/2
11/16 (17,46) -06 2
7/8 (22,23) -08 2
1 (24,5) -10 1-1/2 – 2
1-1/4 (31,75) -12 1
1-1/2 (38,1) -16 3/4 – 1
2 (50,8) -20 3/4 – 1
2-1/4 (57,15) -24 1/2 – 3/4
Causes Cures
Joint loose. Tighten properly.
Sealing surfaces dirty. Clean.
Sealing surfaces not smooth;
scratched or gouged.
Replace faulty parts.
Sealing surfaces cracked. Replace faulty parts.
SAE 45° parts used with
SAE 37° parts.
Use only SAE 37° parts.