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1. Lightweight and compact
Models V46BS and V66CS have a dry weight of only approximately 87 kg (192 lbs) amd 86 kg (190 lbs) respectively, and they are of compact design. With this weight and size the fire pumps can be easily carried by two firemen and positioned close to the fire even in narrow and rugged places. These are essential features of a portable fire pump to facilitate rapid fire fighting.
The engine is designed and produced exclusively for the fire pumps, its high performance, light weight and compact size enhances the engine's reliability and durability.
Most of the engine and pump component parts are made of anti-corrosive Aluminum-alloy to lighten the weight and prolong the working life.
2. Low engine noise
Large silencers are fitted to both the intake and exhaust ports to reduce engine noise.
A specially designed water cooled muffler is fitted to reduce engine noise.
3. Highpump performance
In the portable fire pump class, this series of pump has a recognized high performance rating.
| Pressure |
V46BS |
V66CSE |
| At 4kg/cm2 |
1,450L/min |
1,700L/min |
| At 6kg/cm2 |
1,250L/min |
1,550L/min. |
| At 8kg/cm2 |
1,000L/min |
1,300L/min |
| At 10kg/cm2 |
600L/min |
950L/min |
| (Suction height: at 3m) |
|
The installation of an inducer on the pump shaft facilitates higher suction lift performance.
4. Immediate priming(Attained by a simple procedure)
The high performance vacuum pump installed in this series of the fire pump has the following priming rates.
3.0 sec. at Hs = 1m(Using 6m suction hose)
3.5 sec. at Hs = 3m(Using 6m suction hose)
5.0 sec. at Hs = 6m(Using 8m suction hose)
The rotary vane type vacuum pump has a high pumping performance with a maximum draw height of 9 meters(29.5 feet).
5. Unique auto choke carburetor
Because of Tohatsu's unique auto choke carburetor on this model, the engine will start easier in all seasonal temperature condition. There is no choke knob because no choke adjustment requires.
6. Fuel draining feature
After the fuel remaining in the carburetor float chamber will deteri-orate very quickly leading to hard starting, and possible engine damage. Model V66CS and V46BS is equipped with a float chamber drain valve to provide easy removal of unused fuel in the carburetor. Fuel should be drained from the float chamber after each use to ensure consistent fast starting in future emergencies.
7. Engine overheat protection sensor (V66CS)
Overheat protection is provided on this model to safeguard the engine from cooling water loss, and to protect the pump without supplying water. This device will stop the engine automatically when the operating temperature reaches 80°C. A reset switch is provided to override the sensor after it stops the engine. This gives control to the operator in emergency situations.
8. Reliable electric starter and back-up recoil starter
An electric starter and back-up automatic recoil starter are installed to guarantee starting the engine under any condition.
9. Stainless steel fuel tank
A stainless steel fuel tank prevents fuel contamination resulting from tank corrosion, which in turn ensures longer engine life.
10. 180° rotating discharge port
The discharge port can be rotated freely through 180° allowing the direction of the delivery hose to be changed without replacing the pump unit.
Notes:
(1)Hose connection: Throughout the world there are different types of hose connection. We can supply some kinds of the adators. Please cunsult your local dealer with regard to changing the thread at both the suction and discharge ports to fit the local adaptors.
(2) Twin deliver model: It is also possible to supply a bifurcating adapter to fit at the discharge port, but depends on the type of connection.
OK Monitor:
The OK Monitor check the following five points
* Vacuum Pump Oil Level Indication Lamp
This warning lamp lights up when the oil level in the vacuum pump oil chamber reaches a dangerous low level. The lamp lights up when 2/3rds of the oil has been used-and the oil must be tilled immediately.
* Fuel Level Alarm Lamp
The warning lamp lights up when the level of fuel in the tank is low (2/3rds EMPTY). Fuel should be added as nec-cessary. The tank should be kept fully topped up with fresh fuel.
* Engine Overheat Protection Sensor Device
This device stops the engine automati-cally when the engine has excessively heated caused by lack of cooling water. The engine will top and the lamp will light when the overheat sensor works.
* Pump Drain Cock Open Alarm Lamp
This warning lamp lights up when the drain cock of the main pump is open. After the pump has delivered water, a small amount of water will remain in the pump chamber. This should be removed by opening the cock. Close the cock after drainage has been completed. It would be difficult to prime the pump with this cock open, so check it frequently and also before starting the engine.
* Battery Specific Gravity Fluid (Electrolyte) Level Alarm Lamp
When this warning lamp lights up, it indi-cates that the battery requires attention. The electrolyte level may be low, in which case distilled water should be added to the correct mark. Should the lamp still indicate poor performance, then the battery requires charging.
