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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
'89 Bobcat 743 control valve
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<blockquote data-quote="Tazza" data-source="post: 77756" data-attributes="member: 82"><p>So, i'm a little late to the party....</p><p>You have done well getting the spools out, as you have noticed access is not awesome, but it can be done. If needed, just bend the hard tube lines, don't remove them unless you really need to.</p><p>As for the seals, this control block runs quad rings, not lip seals. The newer mcahines run lip seals though. If you buy a seal kit from the dealer it will contain both lip seals and quad rings as it covers multiple models that you use match what you take out to put back in. Every 743 i have fiddled with has run quad rings.</p><p>When you slide them back in, ensure they are all oiled up. I go slowly and rotate it side to side to try and not pinch the seal and damage it.</p><p>I'd also recommend replacing the rubber boots over the exposed end (linkage end) of the spool if they were not already done. The old ones were plactic, the new ones are rubber. You remove the old one from the metal fastener including the brass spacer and push the rubber one in (no spacer now). You don't want water getting in rusting the spool.</p><p>You have done really well getting up to this point, hopefully it will go smoother from here.</p><p>The biggest issue you may hav coming is the detent balls, but with the engine out, it is much easier to get them back in. I used a large cable tie to hold the balls/spring then slid the cover over and cut the tie.</p><p>You have my email, just yell if you need assistance again</p></blockquote><p></p>
[QUOTE="Tazza, post: 77756, member: 82"] So, i'm a little late to the party.... You have done well getting the spools out, as you have noticed access is not awesome, but it can be done. If needed, just bend the hard tube lines, don't remove them unless you really need to. As for the seals, this control block runs quad rings, not lip seals. The newer mcahines run lip seals though. If you buy a seal kit from the dealer it will contain both lip seals and quad rings as it covers multiple models that you use match what you take out to put back in. Every 743 i have fiddled with has run quad rings. When you slide them back in, ensure they are all oiled up. I go slowly and rotate it side to side to try and not pinch the seal and damage it. I'd also recommend replacing the rubber boots over the exposed end (linkage end) of the spool if they were not already done. The old ones were plactic, the new ones are rubber. You remove the old one from the metal fastener including the brass spacer and push the rubber one in (no spacer now). You don't want water getting in rusting the spool. You have done really well getting up to this point, hopefully it will go smoother from here. The biggest issue you may hav coming is the detent balls, but with the engine out, it is much easier to get them back in. I used a large cable tie to hold the balls/spring then slid the cover over and cut the tie. You have my email, just yell if you need assistance again [/QUOTE]
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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
'89 Bobcat 743 control valve
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