Manitowoc 999 Service And Maintenance Manual

Reference Only
Manitowoc Published 05-16-17, Control # 233-03 2-9
999 SERVICE/MAINTENANCE MANUAL HYDRAULIC SYSTEM
2
ORS Connection
• Lubricate and install O-ring in adapter groove
(Figure 2-5
).
• Lubricate threads.
• Tighten nut to torque value given in Table 2-4.
.
Table 2-4. ORS Assembly Torque
Table 2-5. ORS Leakage
Nut Size
inch across
flats
Fitting
Size
Torque
In-Lb N•m
5/8 -04 120 – 145 14 – 16
13/16 -06 203 – 245 23 – 28
15/16 -08 380 – 470 43 – 53
1-1/8 -10 550 – 680 62 – 77
1-3/8 -12 763 – 945 86 – 107
1-5/8 -16 1110 – 1260 125 – 142
1-7/8 -20 1500 – 1680 170 – 190
Nut
Adapter
O-Ring
FIGURE 2-5
S105
Causes Cures
Nut Loose. Tighten to proper torque.
O-ring cut. Replace.
O-ring wrong size. Replace with proper size.
Sealing surfaces gouged
or scratched.
Repair if possible or replace
damaged parts.
Sealing surfaces dirty. Clean and lubricate.

Manitowoc 999 Specifications

General

Brand	Manitowoc
Model	999
Category	Construction Equipment
Language	English