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User Manual
Document no. / rev.: ROX000337352_AE
Ensure that actual pipe pressure is confirmed before any operation is started
A bleed off sequence might contain hot fluid or poisonous gas
3.4 Access fitting Inspection & Preparation
1. Check pipeline pressure and pipeline contents with an
operator before operation begins.
2. Check Hydraulic Access Fitting. This includes:
2.1. If pressure proof cover: Check gauge. If pressurized, open
cover bleed valve, release pressure and close. If no pressure
build-up, continue the operation. If pressure builds, stop the
operation.
2.2. Check that the cover is sufficiently tightened.
2.3. Screw out locking pins for inspection, one at a time.
2.4. Check the locking pin O-rings for cuts and wear and replace
if necessary. If a locking pin's O-rings are replaced,
change all O-rings on the remaining locking pins with this
fitting.
2.5. Inspect the locking pin hole and clean if necessary, especially the sealing
surface where O-rings seat.
2.6. Use anti-seize lubricant for the locking pin threads and the O-rings.
2.7. Put locking pin back in hole and tighten down. Go to next locking pin on this fitting and perform
the same steps as above until all locking pins have been inspected.
3. Ensure all locking pins are sufficiently tightened after inspection.
It is important to check only one locking pin at a time. Remaining locking pins shall be in
position when checking one locking pin
13
Hydraulic Retrieval Tool
Figure 1: Step 2
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