Check Valves; Inlet Check Valve; Outlet Check Valve - Fluke P3100 Series User Manual

P3100 & P3200 Series
Users Manual
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Check Valves

Inlet Check Valve

The inlet check valve is a bought-in item, and is not readily user-serviceable. To remove:
1. Disconnect nylon tubing from connector (9), by pressing in the collar at the top of the
2. Unscrew and remove connector.
3. Remove check valve assembly (8).
4. When replacing the check valve assembly, take care to remove all traces of PTFE or
5. Reassembly is the reverse of removal.

Outlet Check Valve

1. Remove screws (7) and pump check flange (6), taking care not to drop the check
2. Inspect the parts for cleanliness and damage—particularly the sealing surfaces.
3. When removing O-rings, take care not to use any tool that may have a sharp edge that
4. Reassembly is the reverse of removal, but care mast be taken to ensure that the spring
6-14
Table 6-5. Priming Pump Assembly - Parts List
Description
Pivot Clip 3920224
Clevis 3920236
Locknut 3918713
Pump Union Nut 3921527
Shaft Bearing 3867744
Pump Shaft 3921509
Ball 3917855
connector, and gently pulling on the tubing.
Teflon sealing tape on the mating threads of elbow (7). New tape (or similar sealing
method) must be applied to ensure a pressure-tight joint.
valve bullet (3) and spring (4).
will scratch the surfaces of the mating groove, otherwise it may leak when
reassembled.
and bullet are seated correctly.
Part Item
8 Rambler
9 Back-Up Ring
10 O Ring
11 Barrel Locknut
12 Pump Barrel
13 O Ring
14 Pump Block Assembly
Description Part
3919165
3920516
3864782
3921438
3921511
3864711