396-3815Y1 SureFire PumpRight for Raven RCM 58 Revised 01/16/2018
PumpRight Valves & Diaphragms
All PumpRight models use the same diaphragm and valve parts.
Number of
Diaphragms
D70 2
D115 3
D160 4
D250 6
Diaphragm Pump Service Kit
Item Number 291-02-100500
1 Kit contains 1 diaphragm and 2 valves to service a single
pumping diaphragm. Order multiple kits to service all the
diaphragms in your pump per chart at right.
Qty in
Kit
Part Number
(all begin 291-02-
9910-xxxxxx)
Description
1 550085 Diaphragm (Desmopan)
2 320030 O-Ring
2 759051 Valve Assembly
Other Service Parts
D70, D115, D160, D250
Part Number
(all begin 291-02-
9910-xxxxxx)
Description
550080 Diaphragm (Buna, Optional)
550190 Accumulator Diaphragm
Diaphragm & Valve Service Steps:
1. Remove inlet and outlet plumbing connections by unscrewing ring nut
on inlet and outlet fitting.
2. Use extreme caution when removing and replacing drain plug, so that
threads are not stripped and o-ring is not damaged. Remove drain plug
from bottom of pump to drain oil from pump. Rotate pump shaft to re-
move all oil. Replace drain plug making sure o-ring is in place. Tighten
plug to 171.4 In.Lbs.
3. Remove pump manifold(s) using a 17mm or 13 mm wrench.
D70 1 manifold 2 x 17 mm nuts (on top)
D115 1 manifold 3 x 17 mm nuts (on side)
D160 2 manifolds Each manifold has 4 sets of 2 x 13 mm nuts
D 250 2 manifolds Each manifold has 6 sets of 2 x 13 mm nuts
4. Remove and replace complete valve assembly.
5. Remove the pump head.
6. Remove the diaphragm bolt, support washer and diaphragm. Turn the
pump shaft to up stroke to replace diaphragm.
7. Install new diaphragm (LIQUID side up), then replace washer and bolt.
8. Turn pump to downstroke to seat new diaphragm into the sleeve
groove.
9. Replace pump head and manifold(s).
10. Refill crankcase with SAE30 non detergent oil (PumpRight Oil
or hydraulic jack oil). Turn pump shaft and top off sight glass with
oil.
D70 - D115 Valves
are on same side of
head. Valves should
pop out with slight
screwdriver
pressure.
D160 - D250 Valves
(not shown) are
arranged on
opposite sides of
head.
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