Page 86 - 05. Subyek Teknik Mesin - Automobile Mechanical and Electrical Systems Automotive Technology Vehicle Maintenance and Repair (Vehicle Maintenance Repr Nv2) by Tom Denton

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Figure 1.97 Loctite® Sealant. (Source: © 2010 Henkel AG & Co. KGaA, Düsseldorf. All rights
reserved)

Figure 1.98 Oil seals. (Source: © 2005 Newsad Energy Company. All Rights Reserved)

seal; note how the lip faces the oil such that any pressure will cause the lip to fi t
more tightly, rather than allow oil to be forced underneath. Figure 1.98 shows a
valve stem oil seal, which prevents oil entering the combustion chamber past the
inlet valves.

1.7 Servicing and inspections

1.7.1 Introduction

It is important to carry out regular servicing and inspections of vehicles for a
number of reasons:
to ensure the vehicle stays in a safe condition
●
to keep the vehicle operating within tolerances specifi ed by the manufacturer
●
and regulations
to ensure the vehicle is reliable and to reduce downtime
●