Manitowoc 999 Service And Maintenance Manual

Reference Only
Manitowoc Published 05-16-17, Control # 233-03 2-11
999 SERVICE/MAINTENANCE MANUAL HYDRAULIC SYSTEM
2
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 2-7
, View A).
3. Using wrenches, tighten connector nut the number of
flats shown in Table 2-8.
(Figure 2-7, View B).
4. Misalignment of marks will show how much nut has
been tightened, and that it has been tightened.
Table 2-8. SAE 37° Flare Tightening Table 2-9. SAE 37° Flare Leakage
Turn connector nut required
number of flats (Table 2-8.
)
S108
FIGURE 2-7
Connector
Nut
Adapter
Line
View A
View B
Connector Nut Size
inch across flats
Fitting
Size
Adapter Flats
to Rotate
9/16 -04 2-1/2
5/8 -05 2-1/2
11/16 -06 2
7/8 -08 2
1 -10 1-1/2 – 2
1-1/4 -12 1
1-1/2 -16 3/4 – 1
2 -20 3/4 – 1
2-1/4 -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.

Manitowoc 999 Specifications

General

Brand	Manitowoc
Model	999
Category	Construction Equipment
Language	English