Removal and installation of thermostat in oil filter upper section
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18—125 Removal and installation of thermostat in oil filter upper section
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Tightening torques
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Nm
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Closing plug oil thermostc
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120-140
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Oil drain plug on air oil cooler, models 107, 114, 116
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30-35
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Attention!
A well functioning thermostat may only be removed at temperatures below 60°C, since otherwise the pressure pin will be pressed out.
Pressure pin (1) must never be pulled out of wax thermostat (2), since otherwise the function cannot be guaranteed.
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Models 107,114,116
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8 Plug
10 Control valve
11 Thermostat
12 Spring
13 Seal
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Removal
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1 Unscrew plug (arrow) and catch escaping engine oil.
2 Remove thermostat (11) with control valve (10) and spring (12).
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18.2-125/1 F3
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Installation
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3 Guide thermostat (11) with control valve (10) and spring (12) into filter upper section and position spring in housing by turning the control valve.
4 Torque plug to 120—140 Nm.
5 Check function of thermostat (18-120) and check plug for leaks.
6 Correct oil level.
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1183 -67ttk
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2 3 4 5 6 -7
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Model 123 and models 107,116 with continuous fuel
injection
Model 116.020 2nd version and Model 126
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15 14 13
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11 Plug
12 Seal
13 Thermostat
14 Control valve
15 Spring
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12 11
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8 9 10
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Removal
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1 Unscrew plug (arrow) and catch escaping engine oil.
2 Remove thermostat (13) with control valve (14) and spring (15).
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Installation
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3 Guide thermostat (13) with control valve (14) and spring (15) into filter upper section.
4 Torque plug (11) to 120-140 Nm.
5 Check function of thermostat (18-120) and plug for leaks.
6 Correct oil level.
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18.2-125/2 F3
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