AUTOMOTIVE PERFORMING SHOP MAINTENANCE

2. Kinds, Uses
and
Properties of
Cleaning
Solvents

3. 3

4. Solutions
A homogeneous
mixture of two or more
components. They can
be gaseous, liquid or
solid. When we speak
of a solution, we usually
think of a solid
dissolved in water.
4

5. • While water is the
most common
solvent, other liquids
are frequently
employed as solvents
for certain
substances – for
example wax maybe
dissolved in gasoline.
5

6.  A component of a
solution that
dissolves solute
and is usually
present in large
proportion or
amount. It can be
classified as polar
or non-polar.
 Polar solvents are
solvents which
dissolve/are soluble
in water; while non-
polar solvents are
solvents which do
not dissolve/are
insoluble in water.
 Solvents usually used for
cleaning in automotive
shops are: water,
gasoline, kerosene,
thinner and detergent
soap.
Solvent

7. Cleaning
Solvents
Solubility in
Water
Polar Non- Polar
a. water
b. gasoline
c. kerosene
d. thinner
e. detergent soap
soluble
insoluble insoluble
insoluble
soluble
x
x x
x
x
The table below shows the kinds of cleaning solvents
based on their solubility in water.

8. A useful
generalization much
quoted is that “Like
dissolves like”.
More specifically,
high solubility occurs
when the molecules of
the solute are similar
in structure and
electrical properties
to the molecules of
the solvent.
8

9. Cleaning Solvents Uses
1. Gasoline - It is used to
wash oil/greasy
tools/equipment.
2. Diesoline - It is used to
wash oil engine,
transmission and other
parts of the vehicle.

10. 3. Kerosene - It is used to
remove dust, grease oil,
paint, etc.
4. Thinner - It is used to
remove spilled paint on
the floor, walls and
tools.
5. Soap and water - It is
used to wash/clean
upholstered furniture
such as seats, tables,
cabinets, etc
10

11. 11
1. Wear protective clothing and goggles.
2. Gather the tools to be cleaned in the
designated area for cleaning.
3. Segregate the tools according to the
kind of dirt they have.
4. Measure and pour enough amount of
cleaning solvent to the washing pan.

12. 12
5. Submerge the tools in the washing pan.
6. Use paint brush to remove the dirt from the
tools.
7. Get the tools from the washing pan and wipe
them with rags until dry.
8. Arrange the tools in designated rack or
cabinet.
9. Clean and store all materials used for
cleaning.

13. Steps in Cleaning Work Area
1. Wear protective clothing and goggles.
2. If there is dirt on the floor such as paint, used oil,
grease, rust, etc., remove it first using the appropriate
cleaning solvent.
3. Wipe the floor using dry cloth.
4. Sweep the remaining dirt with a broom and collect
the dirt using dust pan.
5. Dispose the contents of the dust pan in a garbage
container.
13

14. ACTIVITY 1 :
A. Directions: Arrange the following steps in order and use
numbers 1-9.
Steps in Cleaning Tools
______a. Submerge the tools in the washing pan.
______b. Arrange the tools in designated rack or cabinet.
______c. Gather the tools to be cleaned in the designated area for
cleaning.
______d. Get the tools from the washing pan and wipe them with rags
until dry.
______e. Segregate the tools according to the kind of dirt they have.
______g. Measure and pour enough amount of cleaning solvent to the
washing pan.
______h. Use paint brush to remove the dirt from the tools.
______i. Wear protective clothing and goggle
14

15. B. Directions: Arrange the following steps in order and use
numbers 1-5
______a. Sweep the remaining dirt with a broom and collect
the dirt using dust pan.
______b. Dispose the contents of the dust pan in a garbage
container.
______c. If there is dirt on the floor such as paint, used oil,
grease, rust, etc., remove it first using the appropriate
cleaning solvent
______d. Wipe the floor using dry cloth.
______e. Wear protective clothing and goggles.
15

17. 17
In a ¼ sheet of paper
Directions: Answer the following as indicated. .
A. Identify the following:
______________ 1. Used to wash/clean upholstered furniture
such as seats, tables, cabinets, etc.
______________ 2. Used to remove dust, grease oil, paint, etc.
______________ 3. Used to wash oil/greasy tools/equipment
______________ 4. Used to remove spilled paint on the floor,
walls, and tools
______________ 5. Used to wash oil engine, transmission other
parts of the vehicles.

18. 18
TO GOD BE THE GLORY

19. 19

20. 20
Second Page
• Solvents usually used for cleaning in automotive shops are: water, gasoline,
kerosene, thinner and detergent soap.

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