3-24.
How often is the idler shaft lubricated?
1.
Every 30 days
2.
Every 6 months
3.
Every year
4.
Every 2 years
3-25.
Gear teeth should be lubricated with
1.
a thin coating of light cup grease
2.
a thick coating of light cup grease
3.
SAE 30 motor oil
4.
a thin coating of Vaseline
3-26.
The piston rod should be lubricated
every 6 months with a light coating of
1.
light cup grease
2.
Vaseline
3.
gear grease
4.
SAE 30 motor oil
3-27.
What should you use to clean the motor
commutator on the Sc-5 CO2 tranefer
unit?
1.
A dry piece of lint-free cloth
2.
A piece of cloth dipped in dry
cleaning solvent
3.
Freon Type II
4.
Freon Type I
3-28.
How often should you change the oil in
the crankcase of the Sc-5 CO2 transfer
pump?
1.
Every 10 days
2.
Every 21 days
3.
Annually
4.
Every 2 years or biannually
3-29.
What procedure must you use to lubricate
the bearing housing on the electric
motor?
1.
Use a grease gun
2.
Disassemble the complete unit
3.
Disassemble the bearing housing
3-30.
The electric motor bearings should be
lubricated every 2 years. Before
lubricating the bearings, you should
clean them with
1.
carbon tetrachloride
2.
toluene
3.
Stoddard solvent
4.
dry cleaning agent
3-31.
How much grease should you apply to each
bearing?
1.
1 or 2 shots of light cup grease
2.
Add grease until it flows freely
from grease cups
3.
One-half ounce of grease
4.
1 ounce of grease
3-32.
Wnen should you replace the piston rod
packing on the SC-5 transfer pump?
1.
Every 250 operating hours
2.
Every 500 operating hours
3.
Yearly
4.
Every 2 years
3-33.
What is the purpose of the flanged-type
packing nut?
1.
It serves only to hold the pecking
in place
2.
It is used to reduce leaks in the
packing
3.
It is used as an adjustment for
proper CO2 pressure
3-34.
The Walter Kidde transfer unit comes
with which of the following motors?
1.
One-fourth horsepower
2.
One-half horsepower
3.
Three-fourths horsepower
4.
1 horsepwer
3-35.
The safety disc used in the Walter Kidde
pumps has a range of
1.
2500 to 2750 psi
2.
2650 to 3000 psi
3.
2750 to 3000 psi
4.
2900 to 3000 psi
3-36.
The motor for the Walter Kidde transfer
unit operates at
1.
550 rpm
2.
1500 rpm
3.
1750 rpm
4.
2000 rpm
3-37.
The multibreaker on the Walter Kidde
unit is designed to protect the unit.
It operates on what total number of
amperes?
1.
5 amp
2.
15 amp
3.
20 amp
4.
30 amp
13
