Chapin Tree/Turf Pro Manuel D'utilisation Et D'entretien page 10

Tank tab
Pump
Assembly
Notch
Figure 4
DISASSEMBLING AND REPAIRING THE SHUT OFF VALVE
Figure 1
Locking
Clip
A
Figure 2
Valve
Stem
B
C
Figure 3
8. The pressure chamber o-ring can also be replaced. DO NOT stretch
the o-ring over the bottom flange. Assemble the o-ring over the top
of the chamber. Apply petroleum jelly to the o-ring before
reinstalling pump asembly into the tank (fig. 3b).
9. Reassemble backwards from step 6 thru 2, performing each step in
reverse. Note: there is a notch/tab combination in the pump
assembly/tank to be used for alignment (fig. 4).
1) Assembled shut-off valve (Figure 1).
2) Remove the retaining pin (A) (Figure 2) place the notched
end of the retaining pin on a hard surface and push down.
Remove the retaining pin and slide the handle off the valve.
3) Remove the retaining nut (o-ring attached), spring, and valve
stem (B) (Figure 3). Replace worn parts. Lubricate the O-rings and
reassemble by reversing the steps above. Place the handle groove in
the slotted area of the valve stem and make sure the locking clip is
positioned in the neutral position (see "Helpful Spraying Information"
section). Insert the retaining pin. Push down on the handle a few times
to distribute the lubricant evenly. Check filter (C) in end of shut-off
valve for debris. Remove filter and flush with water to clean out.
9E