PHQ250JHMAVL Jackleg MK 1 Parts and Repair Manual PDF
PHQ250JHMAVL Jackleg MK 1 Parts and Repair Manual PDF
PHQ250JHMAVL Jackleg MK 1 Parts and Repair Manual PDF
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Page 18<br />
Throttle Valve Assembly Removal<br />
35. Unscrew the throttle valve h<strong>and</strong>le nut<br />
(D1385) on the end of the throttle valve<br />
(B1176). Remove the nut <strong>and</strong> disc spring<br />
(1491623MT) <strong>and</strong> slip off the throttle valve<br />
h<strong>and</strong>le (C1509).<br />
Remove the throttle valve key (D1384).<br />
36. Unscrew the plug (2422P) that retains the throttle valve<br />
plunger assembly <strong>and</strong> throttle valve plunger (D1383) <strong>and</strong> spring<br />
(D1382). This should be done before removing the throttle<br />
valve to prevent scratching or damaging the surface of the<br />
throttle valve. Check the throttle valve plunger to be sure it is<br />
still properly shaped to engage the ratchet teeth on the throttle<br />
valve. Check the spring for tension. Replace any faulty parts.<br />
37. The throttle valve (B1176) should<br />
push out easily. If it is tight tap gently<br />
on the end of the valve with a bronze<br />
hammer <strong>and</strong> remove from backhead.<br />
Steel Retainer Removal<br />
38. Remove the steel retainer pin nut<br />
(12812UF) (D1932) from the steel retainer pin<br />
(C6908).<br />
Tap the end of the steel retainer pin with a<br />
bronze hammer to loosen.<br />
Push the steel retainer pin through the front end<br />
lug bore using a screwdriver or punch.<br />
39. Pull the steel retainer pin through the lug on<br />
the front end <strong>and</strong> remove the steel retainer<br />
(A2599).<br />
40. Remove both of the square plastic steel<br />
retainer pin bushings (D6205) from the housing<br />
using a screw driver.<br />
.<br />
Version 200711
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