4.5 - GREEN MACHINE
™
- North America - Installation, Operation, Maintenance, & Troubleshooting Manual
Chapter 9: Replacement Procedures
Page 183
9.9
Canister Housing Replacement
Safety
Use lockout / tagout procedures prior to starting work.
9.9.1
Removing the Canister Housing, Tubing, and Fittings
1. Turn OFF power to the VST Control Panel at the Power Switch located on the front of the
VST Control Panel. (The power, ground, and neutral will be completely disconnected from
the GREEN MACHINE
).
2. Follow lockout & tagout procedures prior to starting work.
3. Unlock the hasps and remove the cover from the GREEN MACHINE.
See Figure 9-33
4. Loosen the brass 45º flare nuts on the 90° elbow at the top of the canister.
Do not remove the tubing.
5. Loosen the brass 45º flare nuts on the 90° elbow at the bottom of the canister.
Do not remove the tubing.
6. Remove the 4-bolts holding the canister housing to the GREEN MACHINE base. Discard
the bolts, lock washers, and aluminum risers.
7. Remove the canister housing from the GREEN MACHINE base.
8. Purge the removed canister with compressed air for 24 hours to remove any
hydrocarbons (if any) before discarding.
9.9.2
Installing the new 8” Canister Housing
The new 8” canister housing will arrive with all the tubing fittings attached, and with
new bolts, washers, and aluminum risers.
1.
Install the 8” canister housing on the GM base with the new risers, bolts, and loc
k
washer. Do not tighten the bolts at this time.
When installing the 45° flare nuts to the 90 ° elbow fitting:
CAUTION
: Do not use any thread sealing compound when assembling the 45º flare
nuts on the tubes.
CAUTION
: When tightening the 45° flare nuts: Clamp the tube flare between nut and
nose body of the tube by screwing the nut on finger tight. Tighten with a wrench an
additional ¼ turn for a metal-to-metal seal.
2. Attach the tubing 45º flare nuts at the top of the canister housing to the 90° elbow.
3. Attach the tubing 45º flare nuts at the bottom of the canister housing to the 90°
elbow.
4. With all the tubes installed and the flare nuts tightened, tighten the bolts holding the
canister housing to the GREEN MACHINE base.
Installing the
new 8” Canister Housing, continued…
