®TEMPEST TECHNOLOGY CORPORATION
is the leading manufacturer of products and
accessories for environmental management in
firefighting, industrial, and golf/turf applications
TEMPEST began business as a
manufacturer of gasoline and electric
powered blowers for the fire service,
whose departments use the ®TEMPEST
POWER BLOWER to provide “Positive
Pressure Ventilation”(PPV) to remove
heat, gases and smoke from the interior of
a burning structure.
TEMPEST has expanded into other
industries and found new applications for
its products. The ®TEMPEST POWER
BLOWER and PPV are used by
construction contractors to control dust,
fumes and unhealthy gases like carbon
monoxide; greatly improving safety in
confined spaces.
®TEMPEST TECHNOLOGY
CORPORATION has established a
reputation as a leader and innovator in the
air movement industry and continues in
that role today.
Page 3
About This Manual
Contact
This manual is produced solely for the use of
purchasers and operators of ®TEMPEST
TECHNOLOGY CORPORATION equipment.
Any reproduction, retransmission, or other use of
the contents of this manual without written
consent of ®TEMPEST TECHNOLOGY
CORPORATION is strictly prohibited.
It is the intent of this manual to provide the
owner/operator of ®TEMPEST products with
both general and specific information regarding
the safe and proper operation and maintenance of
the equipment described within.
If after careful review, any questions arise
concerning any portion of this manual, contact
®TEMPEST TECHNOLOGY CORPORATION
for assistance at:
®TEMPEST TECHNOLOGY, INC.
4708 N. BLYTHE AVENUE
FRESNO, CA 93722
Phone (559) 277-7577 1 800-346-2143
Blower Identification 3.1
Warranty Card 3.2
Power Blower Data 3.3
Power Blower Information 3.6
OPERATION
Operating Procedures 4.1
Pre-Operation 4.1
Fuel, and Fuel Tank Capacities 4.2
Operation 4.3
Set-Up, Starting and Stopping Instructions 4.4
MAINTENANCE
Maintenance Procedures 5.1
Oil Change 5.1
Air Cleaner and Elements 5.2
Cooling System, Spark Plug 5.3
Emissions Control System 5.4
Belt Adjustment for Belt-Drive Power Blowers 5.4
Belt Replacement for Belt-Drive Power Blowers 5.5
Blade Removal 5.7
Blade Installation 5.8
Maintenance Schedule 5.8
Page 5
PPV
PPV Set-up Procedures 6.1
Single Blower Placement 6.1
Multiple Blower Placement 6.2
Exhaust Opening 6.4
Weather Effects on PPV 6.6
TROUBLESHOOTING
Blower Troubleshooting 7.1
Blower Fails To Start 7.1
Poor Blower Performance 7.2
Blower Movement 7.2
PART NUMBERS
Honda Belt Drive Blowers 8.1
Honda Direct Drive Blowers 8.2
Tecumseh Belt Drive Blowers 8.3
Tecumseh Direct Drive Blowers 8.4
Briggs & Stratton Direct Drive Blowers 8.5
Bushings for Blade Replacement 8.6
BLOWER DRAWINGS
Direct Drive Units (Gas or Electric) 9.0
Belt Drive Unit 9.0
Pole Mount Unit (Electric) 9.0
Page 6
Safety Guide
Safety Guide Failure to follow the operating, maintenance and
lubrication requirements set forth in this
Operation and Maintenance Manual may result in
serious personal injury and/or damage to
equipment.
The following WARNING statements indicate
potentially hazardous conditions for
operators and equipment. Make certain that
anyone who works on or around the blower
has read and fully understands the safety
precautions listed.
1. Carefully read this Operation and Maintenance
Manual before attempting to operate, service or
disassemble any part of your ®TEMPEST POWER BLOWER.
2. Never operate the unit when mentally or
physically fatigued.
3. Stay away from rotating parts; avoid wearing
loose jackets, shirts, and ties. Keep hands and feet
away from the blower.
4. Keep all unauthorized personnel at a safe distance
from the blower.
5. Keep all guards in place. Never make repairs
while the unit is running. Never operate if any
guard or grill is not in place.
6. Always wear eye protection. Loose debris can be
picked up in the air stream and flown in the air.
Safety Guide 2.1
Page 7
Safety Guide Continued…
7. Hearing protection is required. Motor and air
noise may exceed safe DB levels.
8. Gasoline is extremely flammable and is explosive
under certain conditions. To prevent fire hazards,
do not place flammable objects close to the
engine.
9. Do not overfill the fuel tank. After refueling,
make sure the tank cap is closed properly and
secured. If any fuel is spilled, make sure the area
is dry before starting the engine.
10. Never operate gasoline-powered blowers in an
enclosed or confined area. Exhaust contains
poisonous carbon monoxide gas; exposure may
cause loss of consciousness and may lead to
death.
11. The muffler becomes very hot during operation
and remains hot for some time after stopping the
engine. Be careful not to touch the muffler while
it is hot. To avoid severe burns or fire hazards, let
the engine cool before transporting or storing the
unit.
12. It is the sole responsibility of the owner/operator
to develop and practice the proper use of the
®TEMPEST POWER BLOWER in accordance
with generally accepted ventilation procedures as
well as the department’s own operating
procedures before placing the unit into service.
Safety Guide 2.2
Page 8
General Information
Blower Identification
Each ®TEMPEST POWER BLOWER has a
model number as well as a serial number
(Figure 1.1). The model number signifies
TEMPEST TECHNOLOGY CORP.
PRODUCT
MODEL NO.
SERIAL NO.
Figure 1.1
information such as blade diameter, engine
type and horsepower. The serial number relates
to information referencing the date of
manufacture. This information is useful should
it become necessary to contact the factory
regarding your Power Blower.
Please write the Serial Number of your
®TEMPEST POWER BLOWER in the spaces
below. This will aid us in identifying which
model you have when assisting you.
Model Number:
Serial Number: ____
Date Purchased:
Serial Number Locations
BELT-DRIVE and DIRECT DRIVE
GASOLINE POWERED UNITS: The serial
number is located on the side of the engine
housing.
ELECTRIC POWERED UNITS: The serial
number is located on a plate attached to the
motor.
General Information 3.1
Page 9
Warranty
Figure 1.2
Be sure to fill out and return the warranty card
to TEMPEST TECHNOLOGY
CORPORATION in order to activate the
warranty. (Figure 1.2)
General Information 3.2
Page 10
Power Blower Data
TYPE: Positive Pressure Ventilator
BLADE:
Air Flex Fiberglass Reinforced Polyamide
High Strength Blades, Die Cast Aluminum
or Polypropylene.
BUSHING:
Keyed Shaft and Set or Cap Screws.
SHROUD:
Turbo 2000 Tapered Aluminum.
DRIVE:
Industrial-Type, Straight-Banded V-Belt
(On Belt-Drive Blowers) or Direct Drive
(On Direct Drive Blowers).
BEARINGS:
Locking, Self-Aligning and Permanently
Lubricated.
FRAME:
Rugged, Lightweight, Square-Steel Tubing
with Powder-Coat Finish.
TILT MECHANISM:
Patented Five-Positions, Foot-Operated Tilt
Mechanism (The Winning Step).
GRILL:
Continuous Circular-Wound, External-Weld
Steel Wire with 8 Tie Points for Additional
Safety.
General Information 3.3
Page 11
Power Blower Data continued…
VIBRATION DAMPENERS:
Steel-Reinforced Rubber.
GAS ENGINES:
TYPE: Single Cylinder, 4 Stroke, Gasoline COOLING: Forced Air
LUBRICATION: Splash Type Oil Reservoir
STARTING: Recoil with Auto Rewind
**Calculations based upon one blower connected to 20 amp circuit.
RUNNING
WATTS
General Information 3.5
Page 13
Power Blower Information
3
The ®Tempest Power Blower is a high
powered, portable blower used for Positive
Pressure Ventilation (PPV), a ventilation
technique that quickly and efficiently replaces
hazardous interior environments.
PPV was pioneered in the fire fighting industry
where fire fighters use the ®Tempest Power
Blower to ventilate smoke, heat, and harmful
gases from buildings. This creates a safer
environment for them to work in and makes it
easier for them to find victims and extinguish
the fire.
Figure 1.
PPV relies on two principles, (1) a cone shaped
air pattern, and (2) pressure. To accomplish
Positive Pressure Ventilation, the blower is
placed on the outside of the structure. It is
positioned so that the cone shaped air pattern
created by the blower completely seals the
entrance opening (Figure 1.3). When this seal
is achieved, the air pressure is increased
equally at all points inside the structure. When
General Information 3.6
Page 14
Power Blower Information continued…
an exhaust opening is created, all of the interior
air moves in one mass towards it. The result is
fast, efficient ventilation of the entire structure.
For additional information on how to
accomplish PPV, refer to “PPV Set-Up
Procedures” in this Manual.
Note:
The ®Tempest Power Blower is the most
efficient tool for PPV for two reasons. First,
the exclusive Tempest tapered shroud design
creates a wide, stable, conical air pattern.
Second, the seven blade air movement impeller
used on all Tempest blowers is designed to
create high pressure. These two features make
the ®Tempest Power Blower such a powerful
ventilation tool.
As with any new technique, Positive Pressure
ventilation requires training and education in
order to be implemented properly and safely.
Tempest offers a complete PPV TRAINING
PROGRAM, which covers many applications
of this powerful ventilation technique. For
more information contact your local dealer or
the Tempest factory direct for a free brochure
on PPV.
General Information 3.7
Page 15
Operating Procedures
The information and instructions in this section
should be routinely reviewed and followed before
Pre-Operation
the actual operation of ®Tempest Power Blowers
.
VISUAL INSPECTION
After receiving and unpacking your blower, be
sure to carefully inspect it for any damage that
might have occurred during shipping. Should you
find any damage: PLEASE NOTIFY TEMPEST
TECHNOLOGY IMMEDIATELY AT:
1-800-346-2143
ENGINE OIL
Be sure to use only high quality detergent oil.
Detergent oils keep the engine cleaner and retards
the formation of gum and varnish deposits.
RECOMMENDED OILS
HONDA engines: SF or SG SAE 10W-30 oil.
TECHUMSEH engines: SF, SG, SH, or SH/CD
SAE 30 oil
BRIGGS & STRATTON engines: SE, SF, SG
SAE 30 oil
Operating Procedures 4.1
Page 16
Pre-Operation continued…
OIL SUMP CAPACITIES
ENGINE CAPACITY QUARTS / LITRES
BRIGGS 5.5 HP 20 FL. OZ. .66 QUARTS OR .59 LITERS
HONDA GX160 5.5 HP 20 FL. OZ. .63 QUARTS OR .6 LITERS
HONDA GX200 6.5 HP 20 FL. OZ. .63 QUARTS OR .6 LITERS
HONDA GX390 13 HP 37 FL. OZ. 1.16 QUARTS OR .77 LITERS
TECHUMSEH OHH5 5.5HP 21 FL. OZ. .66 QUARTS OR .62 LITERS
TECHUMSEH HM100 10 HP 26 FL. OZ. .81 QUARTS OR .77 LITERS
FILLING THE CRANKCASE
Place blower on a level surface and make sure that
the engine is level. Remove the oil fill plug or
dipstick. POUR OIL SLOWLY into the
crankcase. Replace oil fill plug or dipstick and
tighten securely. Refer to the engine
manufacturers Owners Manual for additional
information regarding specific oil requirements.
CAUTION: DO NOT OVERFILL THE ENGINE.
EXCESS OIL VAPOR CAN BE EJECTED
FROM THE ENGINE BREATHER WHILE
RUNNING IN FULL TILT POSITION.
FUEL
Always use clean, fresh, lead-free gasoline with
an octane rating of 86 or higher. DO NOT USE
leaded gasolines. Refer to the engine
manufacturers Owners Manual for acceptable
substitute gasolines.
Operating Procedures 4.2
Page 17
Pre-Operation continued…
CAUTION: PRECAUTIONS MUST BE
FOLLOWED WHENEVER REFUELING
GASOLINE ENGINES. PLEASE FOLLOW
THE LISTED GUIDELINES.
NEVER FILL THE FUEL TANK INDOORS.
NEVER FILL THE FUEL TANK WHILE THE
ENGINE IS RUNNING OR HOT.
DO NOT SMOKE DURING REFUELING.
NEVER FILL THE FUEL TANK COMPLETELY.
FILL THE TANK TO BOTTOM OF FILLER
NECK TO PROVIDE SPACE FOR FUEL
EXPANSION.
Operation
WIPE ANY SPILLAGE FROM ENGINE AND
COMPONENTS BEFORE STARTING THE
ENGINE.
FUEL TANK CAPACITY
ENGINE CAPACITY QUARTS / LITRES
BRIGGS 5.5 HP 96 FL. OZ. 3 QUARTS OR 2.85 LITERS
HONDA GX160 5.5 HP 121.6 FL. OZ. 3.8 QUARTS OR 3.6 LITERS
HONDA GX200 6.5 HP 121.6 FL. OZ. 3.8 QUARTS OR 3.6 LITERS
HONDA GX390 13 HP 192 FL. OZ. 6 QUARTS OR 6.34 LITERS
TECHUMSEH OHH5 5.5HP 64 FL. OZ. 2 QUARTS OR 2.11 LITERS
TECHUMSEH HM100 10 HP 128 FL. OZ. 4 QUARTS OR 4.22 LITERS
SET-UP, STARTING AND STOPPING
Assuming the previous Pre-Operation instructions
have been followed the blower is now ready to
Operating Procedures 4.3
Page 18
Operation continued…
run. Please review the engine manufacturers
Owners Manual regarding starting and stopping as
well as the instructions in this section before
actually starting the blower.
CAUTION: NEVER MOVE THE BLOWER
WHILE IT IS IN OPERATION. SEVERE
PERSONAL INJURY IS POSSIBLE AS WELL
AS DAMAGE TO THE BLOWER.
ALWAYS SHUT-DOWN THE BLOWER
PRIOR TO MOVING!
SET-UP
Position the blower in the desired location,
making sure it is placed on a flat, hard and debris
free surface.
STARTING
1. Set the fuel valve in the “ON” position.
2. Set the stop switch to the “ON” position.
3. Set (if equipped) the choke lever to the
“CLOSED” or “STARTING” position.
4. Set the throttle lever to the “STARTING”
position.
5. Grasp the starter handle, take up the slack, and
pull the rope briskly. Let the rope return slowly.
Repeat as necessary until the engine starts. Do not
over pull the rope.
Operating Procedures 4.4
Page 19
6. If equipped with a choke, move the choke lever to
the ½ position until the engine runs smoothly and
then to the open or off position.
7. Move the throttle to the desired speed. NOTE:
Some blowers may tend to “walk” if the throttle is
not in the full position
.
STOPPING
1. Move the throttle to the “IDLE” position.
2. Move throttle lever to the “OFF” position unless
equipped with a stop switch. If a stop switch is
provided, turn the switch to the “OFF” position.
Operating Procedures 4.5
Page 20
Maintenance Procedures
Proper maintenance is necessary to ensure that
your ®Tempest Power Blower operates as
efficiently and trouble-free as possible. By
following the instructions in this section you will
be providing the maintenance needed to achieve
this goal.
CAUTION: THE ENGINE MAY START
SIMPLY BY ROTATING THE BLADES.
ALWAYS REMOVE THE SPARK PLUG WIRE
PRIOR TO WORKING ON THE BLADE SIDE
OF THE MOTOR.
Oil Filler Cap
OIL CHANGE
Check the engine oil level before each use. The
oil should be changed after the first three (3)
operating hours and every 50 hours thereafter. Oil
changes should be performed more frequently if
the blower is being operated in dusty or dirty
conditions. Changing the oil is easier when the
engine is still warm (not hot) from a recent
running.
PROCEDURES
1. Position the blower so the engine oil drain plug
is the lowest point on the engine.
2. Place a two quart or larger container under the oil
drain plug for the oil to drain into.
3. Remove the oil drain plug.
4. Install the oil drain plug and tighten securely.
Maintenance 5.1
Page 21
Maintenance Procedures continued…
5. Remove the oil filler cap and refill with the
recommended oil (refer to the Pre-Operation
instructions in the Operations section) and check
the oil level.
AIR CLEANER
A dirty air cleaner will restrict airflow to the
carburetor. To prevent carburetor malfunction,
service the air cleaner regularly. More frequent
service may be necessary when the blower is
operated in extremely dusty conditions.
NOTE: NEVER RUN THE ENGINE WITH THE
AIR CLEANER REMOVED. RAPID ENGINE
WEAR WILL RESULT FROM
CONTAMINANTS, SUCH AS DUST AND DIRT
BEING DRAWN THROUGH THE
CARBURETOR AND INTO THE ENGINE.
CLEANING AIR FILTER ELEMENTS
Foam Element:
1. Wash the element in a solution of household
detergent and warm water, then rinse thoroughly.
Allow the element to dry completely.
2. Soak the element in clean engine oil, and squeeze
out the excess oil. NOTE: the engine will smoke
during initial start-up if too much oil is left in the
foam element.
Maintenance 5.2
Page 22
Maintenance Procedures continued…
Paper Element:
1. To remove excess dirt, tap the element lightly
several times on a hard surface or blow
compressed air through the filter from the inside
out.
2. Do not try to brush the dirt off. Brushing will
force dirt into the filter fibers.
3. Replace the element if it becomes excessively
dirty.
COOLING SYSTEM
Frequently remove dirt and debris from the
cooling fins, air intake screen, levers and linkage.
This will ensure adequate cooling and correct
engine speed. Refer to the engine manufacturer’s
Owners Manual for additional cooling system
information.
SPARK PLUG
A correctly firing spark plug is essential for the
power blower to operate properly. Check the
engine spark plug yearly or every 100 hours by
following the listed procedures.
1. Clean the area around the spark plug.
2. Remove and inspect the spark plug.
3. Replace the spark plug if the electrodes are pitted,
burned, or the porcelain is cracked. Check the
electrode gap with a wire feeler gauge and set to
the engine manufacturer’s specifications.
Maintenance 5.3
Page 23
Maintenance Procedures continued…
4. Make sure the spark plug washer is in good
condition, and hand start the spark plug to prevent
cross threading.
5. After the spark plug is seated, tighten with a spark
plug wrench to compress the washer.
CARBURETOR
All carburetors comply with federal & state
regulations and are preset by the engine
manufacturer. Engine performance may differ at
various altitudes and climates. If you feel that the
carburetor on your blower needs adjusting contact
Tempest Technology or your local engine dealer.
Figure 4.1
EMISSION CONTROL SYSTEM
State regulations require that all manufacturers of
gas powered engines furnish written instructions
describing the Operation and Maintenance of the
emission control systems. These instructions vary
depending on engine type. Please refer to your
engine Operation and Maintenance Owners
Manual under the heading “Emission Control
Systems” for specific information and
instructions.
BELT ADJUSTMENT
The blower drive belt has been adjusted at the
factory prior to delivery. However, the belt should
be inspected and checked after the initial three (3)
hours of operation as it may require retightening
due to belt stretch. It should be inspected after
Maintenance 5.4
Page 24
Maintenance Procedures continued…
every 25 hours of operating time. Operating the
blower with a loose belt will cause excessive wear
and reduce performance. Follow the procedures
listed to properly adjust the drive belt.
1. Remove the eight bolts holding the front grill in
place and remove the grill. (Figure 4.1)
2. Loosen the four front engine mount bolts. On the
Honda 13 HP models the rear mounting studs
must also be loosened. (Figure 4.2)
3. Use a lever to pry or push the engine downward to
tighten the belt (s). (Figure 4.3) The belt(s) should
Figure 4.2
Figure 4.3
be snug and have very little play. DO NOT
OVERTIGHTEN THE BELT(S).
4. Tighten the front engine mount bolts. On the
Honda 13 HP models the rear mounting studs
must also be tightened.
5. Re-install the front grill and test the blower.
BELT REPLACEMENT
1. Remove the eight bolts holding the front grill in
place and remove the grill. (Figure 4.1)
2. Loosen the four front engine mount bolts. On the
Honda 13 HP models the rear mounting studs
must also be loosened. (Figure 4.2)
3. Pry the engine up to loosen and remove the
belt(s). (Figure 4.4)
Maintenance 5.5
Page 25
Maintenance Procedures continued…
4. Use a lever to pry or push the engine downward to
tighten the belt (s). The belt(s) should be snug and
have very little play. DO NOT OVERTIGHTEN
THE BELT (S).
5. Tighten the front engine mount bolts. On the
Honda 13 HP models the rear mounting studs
must also be tightened.
Re-install the front grill and test the blower
Figure 4.4
BLADE REMOVAL AND INSTALLATION FOR THE FOLLOWING BLADES
EB18 blade (260-075) requires a J 5/8 bushing
DD18 blade (260-075) requires a J 1 bushing. BD18 blade (260-075) requires a J 3/4 bushing EB21 blade (260-019) requires a J 5/8 bushing DD21 blade (260-019) requires a J 1 bushing BD21 blade (260-019) requires a J 3/4 bushing EB24 blade (260-021) requires a J 5/8 bushing DD24 blade (260-021) requires a J 1 bushing BD24 blade (260-026) requires a J 3/4 bushing
BLOWER BLADE
CAUTION: THE ENGINE MAY START
Figure 4.5
SIMPLY BY ROTATING THE BLADES.
ALWAYS REMOVE THE SPARK PLUG WIRE
PRIOR TO WORKING ON THE BLADE SIDE
OF THE MOTOR.
Maintenance 5.6
Page 26
Maintenance Procedures continued…
BLADE REMOVAL PROCEDURES
1. Remove the eight bolts holding the front grill in
place and remove the grill. (Figure 4.1)
2. Remove the three cap screws in the center of the
fan blade bushing with an 5/32 hex bit (Allen
wrench). (Figure 4.5)
3. Insert the cap screws into the adjoining threaded
holes in the bushing. (Figure 4.6) Turn the screws
in a clockwise manner. Tighten the cap screws
Figure 4.6
progressively with the wrench. Evenly tighten
each cap screw ¼ to ½ a turn successively until
the blade slides off of the bushing. (Figure 4.7)
Figure 4.7
4. Insert a small screwdriver into the bushing slot
(Figure 4.8) to release the bushing from the
engine shaft. Be careful not to damage the end of
Figure 4.8
the jackshaft. Remove the bushing and blade.
Maintenance 5.7
Page 27
Maintenance Procedures continued…
BLADE INSTALLATION
1. Put bushing on motor shaft (Fig. 4.8). Tighten the
allen screw on the bushing. Put blade on bushing
(Fig. 4.7). Put lock washers on the three allen
screws and insert into drilled holes of blade. Turn
each screw and tighten evenly.
2. Reinstall front grill.
BLADE REMOVAL AND INSTALLATION FOR THE FOLLOWING
BLADES
DD16 blade (260-030) requires a G 1 bushing and a 3/16” X ¼” X 1” key.
EB18VSF blade (260-068) requires a G 5/8 bushing and a 3/16” X 1 3/8”
key.
EB16 blade (260-069) requires a G 5/8 bushing and a 3/16” X 1 3/8” key.
EB21VSF blade (260-071) requires a G 5/8 bushing and a 3/16” X 1 3/8”
key.
BLADE REMOVAL PROCEDURES
1. Remove the eight bolts holding the front grill in
place and remove the grill (Figure 4.1).
2. Remove the three bolts from blade. Remove the two bolts
from the bushing and hub. Put the two bolts in the
threaded part of the bushing and turn evenly until bushing
separates from hub.
Maintenance 5.8
Page 28
Maintenance Procedures continued…
BLADE INSTALLATION PROCEDURES FOR DD16
1. Make sure that the shaft and keyway are clean and
smooth before installing the blade.
2. Insert the cap screws through the clearance holes
in the bushing and place loosely into the hub of
the blade. Do not press the bushing in. Hand start
3. Insert the cap screws, turning them just enough to
engage the threads in the tapped holes on the hub.
The bushing should be loose in the hub. Insert the
key into the keyway (Figure 4.9). Tighten two
bolts drawing the bushing and hub together.
Figure 4.9
Figure 4.10
4. Slide the blade onto the bushing/hub assembly
and insert the three screws through the blade and
turn evenly but do not tighten. Make sure blade is
in line with hub then tighten screws (Fig. 4.10).
Locate the blade and bushing so that the blade tips
do not hit the rear grill eyelets. On some models
the blade and bushing may be in beyond or out
away from the end of the shaft up to ¼” but no
further. This is necessary for proper blade
clearance.
5. Tighten the cap screws progressively with a
wrench. Tighten each cap screw partial turns
successively until both are tight. Final tightening
should be done with torque wrench with the
torque set at 7.5 ft./lbs. for each screw. Over
tightening will cause the cap screws to break or
crack the blade. (Figure 4.10)
Maintenance 5.9
Page 29
Maintenance Procedures continued…
6. Carefully turn the blade and check for clearance
between the blade and shroud. Confirm that the
blade is free to rotate without hitting other parts.
7. Reinstall the front grill and test the blower.
8. If you have any trouble removing or installing the
blade on your blower, contact the factory for
assistance at 800-346-2143.
Maintenance Schedule
EACH
USE
CHECK ENGINE OIL
LEVEL
CHANGE ENGINE OIL
CLEAN AIR FILTER
TENSION BELT(S)
REPLACE BELT(S)
INSPECT & CLEAN
SPARK PLUG
INSPECT & CLEAN
ENGINE
HOUSING
INSPECT BLOWER
FOR DAMAGE, FIX IF
ANY
INSPECT BLOWER
FOR LOOSE OR
MISSING BOLTS,
NUTS, &
ATTACHMENTS.
TIGHTEN OR
REPLACE WHERE
REQUIRED
√
√
NEW
BLOWER
FIRST 3
HOURS
√
√
EVERY
MONTH
OR 10
HOURS
√
EVERY
MONTH
OR 25
HOURS
√
EVERY
MONTH
OR 50
HOURS
√
EVERY
MONTH
OR 100
HOURS
√
√
√
√
Maintenance 5.10
Page 30
PPV Set-up Procedures
Single Blower Placement
When using one blower, it should be positioned so
that the cone of pressurized air just covers the
entrance opening (Figure 5.1). If the blower is
too close to the opening, the opening will not be
completely covered by pressurized air. If the
blower is too far from the opening, pressurized air
will strike the building around the opening and
reduce the amount of pressurized air being forced
inside the building. Therefore, optimum
placement is dependent on the size of the entrance
opening, the size of the blower, and the distance
between the blower and the entrance opening.
Figure 5.1
Due to the size of the "cone" of air issued from a
blower, small blowers need to be moved back
from entrance openings while larger blowers
should be placed closer to entrance openings to
properly cover the opening with pressurized air.
By tilting blowers back about 17° maximum, the
entrance opening may be more effectively
covered with the cone of air. All Tempest
Blowers have "tilt-back” features to facilitate
operation. However, if a blower cannot be tilted
PPV Set-Up Procedures 6.1
Page 31
PPV Set-up Procedures continued…
back to achieve proper coverage of the entrance
opening with pressurized air, move it as far back
as possible from the entrance opening. This
technique can be used effectively on raised
porches to achieve a seal.
Multiple Blower Placement
The use of more than one blower can dramatically
increase airflow (volume) and reduce the time
necessary to complete a ventilation operation.
For standard entrance openings (that is, door
openings of three feet by six and one-half feet),
maximum effectiveness is achieved by placing
two blowers "in-line" with each other. As in
(Figure 5.2), blower A is positioned about two
feet from the entrance opening. This ensures that
all of the pressurized air from the blower enters
the building, yet allows sufficient room for
personnel to enter and exit the building. Blower
B is then positioned behind blower A. The proper
location for blower B is determined by the
Figure 5.2
distance necessary to cover the entrance opening
with pressurized air. Blower B covers the
PPV Set-Up Procedures 6.2
Page 32
PPV Set-up Procedures continued…
entrance opening with pressurized air and
increases the capacity of blower A by
approximately ten percent.
For standard entrance openings, multiple blowers
in a parallel (side-by-side) configuration are less
effective than multiple blowers in an in-line
configuration. However, for large entrance
openings, multiple blowers in a parallel
configuration (Figure 5.3) should be used due to
their combined ability to cover the larger opening
with pressurized air. The size of the opening
dictates the numbers of blowers necessary to
cover the opening with combined cones of
pressurized air.
Remember that some openings (such as loadingdock doors) can be reduced in size by partially
closing the door to reduce the size of the entrance
opening that must be covered by pressurized air.
Depending on the number of blowers that are
available, large areas may be effectively
ventilated by using a combination of parallel
(proper coverage of the opening) and in-line
(increased volume) blowers.
Areas or locations that do not have openings that
can be used as exhaust openings (storage rooms,
offices, enclosed work areas, etc.) can be
effectively ventilated by using multiple blowers as
depicted below.
Use a blower to provide a flow of air past the
opening. This blower can be located outside the
building to provide pressurized air to the interior
PPV Set-Up Procedures 6.3
Page 33
PPV Set-up Procedures continued…
of the building and past the area to be ventilated.
The blower should be placed in the bottom
portion of the opening and will provide
pressurized air that will create positive pressure
within the area to be ventilated and force the
contaminants out of the upper portion of the
entrance opening. The air flowing past the
entrance opening will force the exhausting
contaminants to follow its direction to the exterior
of the building.
Figure 5.3
Exhaust Opening
Positive pressure ventilation is most effective
when the exhaust opening (window, door, etc.) is
between three-fourths to twice the size of the
entrance opening (Figure 5.4). This variance is
due to the number and CFM’S of the blower(s)
utilized and can be summarized as follows:
PPV Set-Up Procedures 6.4
Page 34
PPV Set-up Procedures continued…
Figure 5.4
1. A single blower powered by 1/3 HP to 4 HP
electric motor or gas engine is most effective
when utilized with exhaust openings that are
three-fourths or slightly less than the size of the
entrance opening.
2. A single blower powered by 5 HP, 5.5 HP, or 6.5
HP engine is most effective when utilized with
exhaust opening that is the same size or slightly
larger than the size of the entrance opening.
3. A single blower powered by 10 HP or 13 HP
engine is most effective when utilized with
exhaust opening that is about one and one-half the
size of the entrance opening.
4. Multiple blowers powered by 5 HP or larger
engines in parallel or series configurations are
most effective when utilized with exhaust
openings that are approximately twice the size of
the entrance opening.
PPV Set-Up Procedures 6.5
Page 35
PPV Set-up Procedures continued…
Remember that these guidelines have been
generalized and that optimum efficiency is easily
obtained by a combination of training and
experience.
Exhaust
If a gasoline-powered blower is being utilized and
a gasoline-exhaust odor is noticeable inside the
building or area to be ventilated, this is an
indication that the building's exhaust opening is
not large enough. The gasoline-exhaust odor
should disappear by increasing the size of the
building's exhaust opening (opening another
window, door, etc.)
Weather
Temperature, humidity, snow, and rain do not
have any appreciable effect on positive pressure
ventilation. Although cold, damp weather
conditions may limit the ability of smoke to rise;
these atmospheric conditions will not limit the
ability of blowers to move contaminants
horizontally and, in most cases, vertically.
Wind can have an adverse effect on positive
pressure ventilation, but its effect is dependent on
direction and velocity. As in any ventilation
operation, maximum efficiency can be obtained
by using the prevailing wind direction to
advantage by pressurizing the structure on the
windward side and exhausting contaminants on
the leeward side of the building. If it is not
possible to utilize the prevailing wind as an
advantage, positive pressure has proven effective
against winds of up to 25 mph. As winds exceed
25 mph, efficiency reduces accordingly.
PPV Set-Up Procedures 6.6
Page 36
Blower Troubleshooting
Many factors can contribute to or be the sole
cause of problems for gas and electric power
blowers. This section will identify some of these
problems and provide solutions to correct
them.
Blower fails to start
• CHECK FOR FUEL IN THE TANK; MAKE
SURE THE FUEL SHUT OFF VALVE IS
OPEN.
• CHECK THE FUEL LINE TO DETERMINE IF
THE CARBURETOR IS GETTING FUEL.
• CHECK THE OIL LEVEL, HONDA ENGINES
ARE EQUIPPED WITH AUTOMATIC OIL
ALERT SYSTEMS. THE ENGINE WILL NOT
START IF OIL IS LOW.
• CHECK THE SPARK PLUG FOR A SPARK:
1. Remove the spark plug wire, clean any dirt from
around the spark plug base and remove the plug.
2. Install the spark plug into the plug cap.
3. Ground the plug to the engine and pull the starter
to see if a spark jumps the gap. DO NOT HOLD THE SPARK PLUG IN YOUR HANDS; hold
the spark plug cap or wire.
4. If a spark is present, replace the spark plug and
wire then try starting the engine.
5. If the blower still does not start contact the factory
or your local engine dealer.
• CHECK THE AIR FILTER FOR
CLEANLINESS, CLEAN IF DIRTY- REFER
TO PAGE 5.2.
• IF THE BLOWER IS A BELT-DRIVE, MAKE
SURE THE BELT(S) IS/ARE TIGHT. REFER
TO PAGE 5.4 FOR INSTRUCTIONS ON
CHECKING AND TIGHTENING THE
BELT(S).
• IF THE BLOWER IS A DIRECT-DRIVE,
MAKE SURE THE BLADE IS TIGHT. REFER
TO PAGE 5.6
• IF THE FUEL IS MORE THEN TWO MONTHS
OLD, REPLACE THE FUEL WITH FRESH
FUEL.
Blower Movement or “Walking”
• ADJUST THE RUBBER FOOTPADS ON THE
BACK OF THE BLOWER BY TURNING
THEM EITHER IN OR OUT. ADJUST THE
SIDE THAT IS WALKING. THIS WILL HELP
TO EVENLY DISTRIBUTE THE WEIGHT OF
THE BLOWER TO ALL FOUR POINTS OF
THE FRAME.
• MOST BLOWERS WILL WALK IF NOT
RUNNING AT FULL SPEED, MAKE SURE
THE BLOWER IS RUNNING AT FULL
SPEED.
*Explosion proof, two speed or variable speed electric motor replacement, call customer service.
12" electric and 36" electric or direct drive please see Briggs schematic.
*Explosion proof, two speed or variable speed motor replacement, call customer service.
12" electric and 36" electric or direct drive please see Briggs schematic.
See page 8.6See page 8.6 See page 8.6See page 8.6
600-137/600-216600-037600-192600-103
600-077/600-217600-198600-156600-199
5/30/2003
8.4
Page 42
BRIGGS POWERED DIRECT DRIVE / ELECTRIC BLOWER PARTS
1 FRONT GRILL 3A FRONT TRIM 6 ELECTRIC MOTOR
1A GRILL EMBLEM 4 RING GRILL 6A SHAFT KEY
1B NEOWASHER 5 REAR GRILL 7 MOTOR MOUNT
1C GRILL BOLT 5A NYLOCK 8 OSCILLATOR ASS’Y.
2 FAN BLADE 5B NEOWASHER 8A MAC GEAR SAVER
2A BUSHING 5C GRILL BOLT 8B OSCILLATOR MOTOR
3 SHROUD
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