FOR MODELS: JGI, JGM, JGN, JGP AND JGQ SECTION 1 - DESIGN SPECIFICATIONS & DATA
9/08 PAGE 1-21
values as cap screws in similar applications.
13. Pipe threads and main cap plugs are to be installed using Loctite 565 Thread
Sealant. Synthetic oils may require Loctite 545 and Loctite Activator 7649 (N).
These are general guidelines to assist in the proper use of torque wrenches. Consult with
your torque wrench dealer for more detailed information.
Ariel Bolting
Bolting has been selected that meet Ariel's strength, elongation, sealing, and locking
requirements. Proper bolting must be used and tightened to the values listed in Table 1-12 on
page 1-16. Figure 1-4 is provided to assist in the identification of bolts used in an Ariel
compressor.
Connecting rod, valve cap and suction/discharge nozzle - Ariel supplied speciality companion
flange - bolting is designed to resist fatigue and cannot be replaced with standard cap screws.
If attempting to replace other bolting with standard cap screws and there is any question,
contact your packager or Ariel. Ariel supplied replacement bolting is recommended.
CAUTION: WHEN RE-ASSEMBLING OR REPLACING BOLTING, SEE THE PARTS LIST
TO DETERMINE THE PROPER FASTENER GRADE AND PART NUMBER.
DO NOT USE A LESSER OR GREATER MATERIAL GRADE. ALL SPECIAL
FASTENERS AND ALL BOLTING THAT HAS BEEN MADE TO REDUCE
THE BODY DIAMETER FOR FATIGUE RESISTANCE, MUST BE REPLACED
WITH ARIEL PARTS.
Zone 1 Environment
A Zone 1 environment requires the installation of proper intrinsically safe or equivalent
protection to fulfill the electrical requirements, where applicable.
FIGURE 1-4 BOLT IDENTIFICATION
Hex head
Grade 8
Hex head
Grade 9
Hex head
Grade 5
12 Point
Grade 8
12 Point
Interim
Grade 5
12 Point
Stainless
Steel Grade
17-4PH
Hex Socket
Head Grade 8
12 Point
Grade 5
17-4
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