Cleaning
Revision: Feb. 2018
20
5. CLEANING
Each owner and user of the DT1 should review this manual as part of the regular training and review
procedure. Follow all instructions
1. Remove corner sockets.
2. With the inner tank emptied of fuel, lift it out using the
lifting eyes.
3. Clean the inside of the outer tank (bund). Remove all
debris and liquids.
4. Remove the access cover, lift up the back end of the inner
tank, and draw off any residue with a pipe inserted into
the tank.
5. If it is necessary to access the tank, precautions should
be taken, and a safe working procedure drawn up and
followed.
6. The tank should be drained, pressure washed and then
dried. An internal inspection can now be made
It is recommended the leak test is carried out after the internal inspection. Replace pressure/vacuum relief
valve with a plug for the leak test. Reassemble the tank and install a new gasket around the access cover.
Tighten to 60 ft. /lbs. torque to ensure there is no leakage.
• Install a new pressure/vacuum relief valve that is available from AGB Products.
• Leak proof test at 20 kpa for 10 minutes.
• Keep records of testing with the unit at all times.
