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MATERIAL CODE
[A] = Aluminum
[B] = Nitrile
[Br] = Brass
[C] = Carbon Steel
[Co] = Copper
[D] = Acetal
[K] = P.V.D.F. (Kynar)
[SS] = Stainless Steel
PARTS LIST / FLUID SECTION
n R
V
n L
n
V
n
n
n
Service Note: Part No. 98931ĆT Installation Tool is available separately for use with items (1) and (2).
L Service Kit Note: Extra O" rings are included in kits to service models built prior to Dec. 1989.
V Smart Parts" Keep these items on hand in addition to the Service Kits for fast repair and reduction of down time.
FLUID SECTION DISASSEMBLY
1. Remove top manifold(s).
2. Remove (22) balls, (19) O" rings and (21) seats.
3. Remove (15) fluid caps.
4. Remove the (14) screw, (9) washer, (3) ``O'' ring, (6) plate, (7) diaĆ
phragm and (5) plates.
5. Remove (3) O" rings.
NOTE: Do not scratch or mar the surface of (1) diaphragm rod.
FLUID SECTION REASSEMBLY
S Reassemble in reverse order.
S Clean and inspect all parts. Replace worn or damaged parts with
new parts as required.
S Lubricate (1) diaphragm rod and (2) O" ring with KeyĆLube O" ring
lube or equivalent.
S Use ARO PN / 98931ĆT Bullet (installation tool) to aid in installation
of (2) O" ring on (1) diaphragm rod.
S Be certain (7) diaphragms align properly with (15) fluid caps before
making final torque adjustments on bolt and nuts to avoid twisting
the diaphragm.
S ReĆcheck torque settings after pump has been reĆstarted and run a
while.