Manitowoc 18000 Service Maintenance Manual

Reference Only
18000 SERIVCE/MAINTENANCE MANUAL HYDRAULIC SYSTEM
Manitowoc Published 12-05-17, Control # 035-23 2-13
2
Table 2-3 Straight Thread Leakage
ORS Connection
NOTE: ORS is the registered trade mark for a face-type
seal manufactured by Aeroquip Corporation.
1. Lubricate and install O-ring in adapter groove
(Figure 2-11
).
2. Lubricate threads.
3. Tighten nut to torque value given in Table 2-4
.
Table 2-4 ORS Assembly Torque
Table 2-5 ORS Leakage
Causes Cures
Jam nut and washer not backed
up at assembly, causing O-ring
to be pinched.
Replace O-ring and
tighten fitting properly.
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.
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 2-11
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 18000 Specifications

General

Brand	Manitowoc
Model	18000
Category	Construction Equipment
Language	English