396-3815Y1 SureFire PumpRight for Raven RCM 61 Revised 12/04/2019
PumpRight Valves & Diaphragms
Number of
Diaphragms
PR17 3
PR30 3
PR40 4
D250 6
Diaphragm Pump Service Kit Replacement
Instructions for PR Pumps
Diaphragm & Valve Service Steps:
1. Remove inlet and outlet plumbing connections by unscrew-
ing 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 dam-
aged. Remove drain plug from bottom of pump to drain oil
from pump. Rotate pump shaft to remove all oil. Replace
drain plug making sure o-ring is in place. Tighten plug to 180
In.Lbs.
3. Remove pump manifold(s) using a 13 mm wrench.
4. Remove and replace complete valve assembly.
5. Remove the pump head.
6. Remove the diaphragm bolt, support washer and dia-
phragm. Turn the pump shaft to up stroke to replace dia-
phragm.
7. Install new diaphragm (LIQUID side up), then replace wash-
er 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 the pump shaft and top off
sight glass.
NOTE: See individual Part Breakout Charts for Bolt/Nut
Torque Specs.
H
Maintenance
& Parts
Typical Manifold—2 per pump—
inlet and outlet
Inlet/Outlet
Fitting
Manifold
OutletValve
Gasket/O-ring
Pump Head
Inlet Valve
Gasket/O-ring
Typical Valve Assembly
Typical Diaphragm Assembly
Sleeve
BlueFlex
Diaphragm
Wobble Plate/Diaphragm
Keeper Washer
Visit www.surefireag.com for PumpRight Diaphragm Pump Repair
and Maintenance Video or support.surefireag.com
See Note Below
NOTE: A multipurpose grease is fine to use for applying in between the
Diaphragm and Wobble Plate/Washer
To Next Page
Loading...
