Elaflex Oasis HC308 User manual

Oasis Engineering Ltd
129 Birch Avenue, Tauranga, New Zealand.
T: [phone] F: [phone]
E: [email protected]m
W: www.OasisNGV.com
HC308
Ultra Fast Fill Quick Coupler
SAE Male
Instruction Manual
Failure to follow these instructions or to properly install and maintain this equipment could result in gas leak-
age, fire or explosion causing property damage and personal injury or death.
Oasis products must be installed, operated and maintained by trained and competent personnel in
accordance with all applicable local codes, rules and regulations in addition to the Oasis Instructions.
Oasis Engineering Ltd. will not be held liable in such circumstances where installation, operation and
maintenance procedures were performed by incompetent personnel resulting in improper assembly, unsafe
operation, equipment damage or personal injury.

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HC308-INS-01 0419 © Oasis Engineering Limited
We reserve the right to modify product specifications without prior notice.
Safety
Tools Required
Ensure the system is vented and
isolated before any installation or
servicing work is carried out.
Warning!
High pressure gas and gas equipment can cause serious harm to
both infrastructure and personnel if safety precautions are not
followed.
Oasis recommends considering the use of the following PPE when
working with high pressure along with any other site specific health
and safety requirements:
Thread TapeSpanner
(Wrenches)
Anti Seize Grease
- Swagelok Silver Goop
- Omega 99
- or similar
Spray bottle
(Snoop or soapy water)

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HC308-INS-01 0419 © Oasis Engineering Limited
We reserve the right to modify product specifications without prior notice.
Installation Instructions
2. Tighten connection to 180 Nm
(132.8 ft lb).
Check for leaks on first
use with snoop or soapy
water.
3. Installation complete. Put dust cap over coupler when not in use.
1. Apply never seize to SAE thread and
screw coupler into port. Ensure dust
cap strap is around body.
Ensure dust cap strap is
not caught between end
cap and spot face.

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HC308-INS-01 0419 © Oasis Engineering Limited
We reserve the right to modify product specifications without prior notice.
Operation Instructions
1. Remove dust cap from male
coupler.
2. Connect with female coupler, ensure
coupler is connected correctly.
3. Use coupler as required. Ensure
system is vented before disconnecting.
4. Reattach dust cap on male coupler
after use.

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HC308-INS-01 0419 © Oasis Engineering Limited
We reserve the right to modify product specifications without prior notice.
Operation Instructions
Stand clear of coupler when in use.
Oasis recommends the use of the following PPE when
operating coupler:
Warning!
Do not use excessive impact or twisting force to try and remove
coupler if frozen. Doing so may damage the coupler or cause fixed
connections to come loose. To aid use of the coupler when ice is
present use HC308-COVER (sold separately).

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HC308-INS-01 0419 © Oasis Engineering Limited
We reserve the right to modify product specifications without prior notice.
Servicing Instructions
Tools Required
Cleaner (Warm Soapy
Water or Similar)
Pick Tool
Spanner/
Wrenches
(60mm)
Anti Seize Grease
(Loctite 771 or Similar)
For All Threads
Torque Wrench Vice
The Complete Oasis Seal Kit must be used
Service Kit Parts
Male poppet
(pre - assembled)
Poppet spring
1x Body O-ring
1x Backup O-ring Silicone Grease
Rocol MX22 or similar
(For all O-rings)
1x 916 O ring

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HC308-INS-01 0419 © Oasis Engineering Limited
We reserve the right to modify product specifications without prior notice.
Disassembly
1. Clamp male coupler in vice.
3. Unscrew end cap from body. 4. Remove end cap.
2. Remove 916 O ring and discard.

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HC308-INS-01 0419 © Oasis Engineering Limited
We reserve the right to modify product specifications without prior notice.
Disassembly
7. Clean all components and inspect for damage. In particular
the sealing faces, poppet retainer and coupler profile.
5. Remove and discard the
poppet and spring.
6. Pick out the O-ring and backup and
discard. Be careful not to damage body.

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HC308-INS-01 0419 © Oasis Engineering Limited
We reserve the right to modify product specifications without prior notice.
1. Install O ring and backup. 2. Install the new poppet, spring and retainer.
4. Torque end cap to 200 Nm
(147.5 ft lb).
3. Screw end cap back into body.
Backup
O-ring
Assembly

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HC308-INS-01 0419 © Oasis Engineering Limited
We reserve the right to modify product specifications without prior notice.
6. Servicing of coupler complete.
Refer to installation instructions for re-fitment of coupler.
5. Replace 916 O-ring.
Assembly

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HC308-INS-01 0419 © Oasis Engineering Limited
We reserve the right to modify product specifications without prior notice.
Accessories Available
HC308-SDC — SAE Male dust cap
Accessories