4 . 0 G E A R B O X R E M O V A L
a- Removal (refer to enclosed drawings)
• Unscrew the bolts/nuts.
• Lift the gear box to disengage the valve stem and remove it with the plate.
b- Put in position a removable cover to prevent the introduction of dust, sand, etc., in the actuator
bushing.
5 . 0 V A LV E D I S A S S E M B LY
The following should only be performed by an APV approved reconditioner.
Note, The below parts refer to the general drawing in Appendix 1. This is a general overview drawing
only. Each size & class range does vary so refer to the actual as-built drawing.
5.1 BODY
a- The valve shall be supported adequately leaving the adaptor part no.03 free.
b- Unscrew adaptor flange nuts.
c- Remove both adaptors part no. 03 sliding parallel to the through conduit valve axis.
d- The above mentioned operation must be performed taking care of the O-ring and fire gasket integrity.
5.2 BONNET AND STEM REMOVAL
a- Remove the actuator or gearbox from it’s support part no. 09.
b- Remove the bonnet part no. 10 be careful to maintain the bonnet axis parallel to the stem axis.
c- Remove gasket/or O-ring part no. 14.
d- Remove the stem part no. 12 sliding parallel through the bonnet part no. 10.
Australian Pipeline Valve - Installation, Operation and Maintenance Manual
12
SIDE ENTRY 3P TRUNNION BALL VALVES API6D STANDARD - BVF100 SERIES
Check the stem sealing area for pressurised process fluids even after the valve has
been removed from the pipeline, particularly when removing packing hardware or
sealing rings.
Note
The actuator or gearbox position stops have been properly set in the shop. Do not
alter the setting.
