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8
9
Item
Description
1
Pump Block
2
O Ring
3
O Ring
4
Bullet
5
Spring
Reservoir Assembly
1. To drain the fluid from the reservoir, first remove any weights, and raise the
instrument a few inches by placing suitably sized blocks under the feet.
2. Place a suitable catchment tray or bowl below the reservoir drain (13).
3. Open the valve by turning valve stem (1) counter-clockwise.
4. Remove gland nut and plug (13 & 12), and allow the fluid to drop into the
catchment tray.
To completely disassemble the reservoir, the top plate must be removed from the
instrument case (Refer to Chapter 6, Top Plate Removal).
5. Disconnect the high-pressure tubing by unscrewing the gland nuts fitted to the
reservoir body (11).
6. The low pressure feed to the priming pump is disconnected by pressing down on the
black plastic ring at the top of the connector, and gently pulling on the nylon tubing.
7. Remove valve stem completely by turning counter-clockwise, taking care not to lose
the spring (2) and nylon washer (3).
8. Lift off reservoir cover (4).
1
2
3
10
Figure 6-6. Check Valves Assemblies
Table 6-6. Check Valves Assemblies Parts List
Part
3921530
3864766
3865142
3920584
3920600
4
5
Item
Description
6
Pump Check Flange
7
Screw
8
Elbow
9
Check Valve
10
Connector
Maintenance and Servicing
Maintenance and Servicing
6
7
gjn019.eps
Part
3921744
3909261
3862616
3867767
3923564
6
6-15
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