#111325-001 -
Product Manual: Model #1453 CENTRIFUGAL BLOWER
- Revision 04 - Date: 06-05-2015
Page 14
Confined Space
Airflow
1.5 m
Ventilation Hose
Air Flow Alarm (Optional)
Figure #5.2b:
Centrifugal Blower
Setup in Confined Space
2. Setup of 1453 Centrifugal Blower:
Choose a location where installation will provide suitable proximity to the work area yet minimize obstructions during use
and in the event a rescue becomes necessary. Once a location is chosen;
a.
Place the blower on a flat, solid surface at a location 1.5 meters upwind (where possible) from the confined space,
and have its inlet pointed into the wind. This will reduce the chance of contamination being blown into the confined
space (Refer to Fig. #5.2b).
b.
To start the engine, move the fuel lever to the ON position and move the choke lever to the CHOkE (closed) posi-
tion (Choke must fully close)
c.
Turn the ignition switch to the ON position and move the throttle lever to the maximum speed.
d.
Grasp the rope handle and pull slowly until resistance is felt. Then rapidly pull the cord to overcome engine com-
pression and prevent kickback.
e.
After the engine has started, gradually move the choke lever to the OPEN position. The engine speed can now be
adjusted to the desired speed by moving the throttle lever.
f.
To shut down the blower, turn the ignition switch and the fuel lever to the OFF positions.
!!! Do not move the choke lever to the CHOKE position to stop the engine. Backfire or engine damage may
occur. !!!
g.
Allow the engine to cool at least 2 minutes before refuelling or storage.
h.
For engine maintenance, refer to engine manual.
5.2 - Start-Up & Operating Procedures (continued)
Important Notes:
- During confined space entry operations, it
should not be assumed that the ventilator
will maintain the air inside the confined
space at a safe condition. When the ven-
tilator is in use, the air inside the confined
space should be monitored continuously
for the presence of poisonous gases and/
or toxic fumes.
- Ensure that the blower provides positive
airflow the entire time during usage. The
Centrifugal blower can be used with an
accessory Air Flow Alarm (Pelsue Model
#FLO-CHEk) that will alert the entrants
when and if positive ventilation is lost during
operation.
