Quick exhaust (both heads), Body assembly – Trebor 120D Mega User Manual
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MEGA 120D PUMP OPERATION / MAINTENANCE MANUAL
4.8.d Quick Exhaust (Both Heads)
Insert quick exhaust seal.
Insert quick exhaust port in each head as shown. Tighten to 20 in-lbs. Do not over
tighten.
Figure 4-6
Install 3 each muffler pads onto muffler spool and insert into exhaust port. Tighten to
40in-lbs.
4.8.e Body Assembly
NOTE: For easy installation, check sleeves that do not install easily (minimal effort) can
be placed in a freezer prior to assembly to assist insertion.
Insert the suction seat. Press firmly using the check sleeve insertion tool until the
suction seat is at the bottom of the check bore.
Install the o-ring. The o-ring should rest inside the cup shape in the seat.
Install the check ball. Ensure the o-ring does not become dislodged.
Insert the suction sleeve. Press firmly using the check sleeve insertion tool until the
suction sleeve meets the suction seat.
Install the o-ring. The o-ring should rest inside the cup shape in the seat.
Install the check ball. Ensure the o-ring does not become dislodged.
Install the discharge sleeve. The edge of the non-threaded part of the check bore
should be approximately flush with the top of the discharge sleeve.
See Figure 4-7 for the proper order of check assembly installation.