Service, Warning – Graymills DDP .375' Pump User Manual
Page 8
18
Service
Repairing the Air Valve
Tools Required
D Torque wrench
D Phillips screwdriver
D O-ring pick
D Rubber mallet
Disassembly
WARNING
To reduce the risk of serious injury whenever you are
instructed to relieve pressure, always follow the Pres-
sure Relief Procedure on page 11.
1.
Relieve the pressure.
2.
Remove the air valve from the pump (see page 16).
3.
Remove the screw (15) and shift saddle (14). See Fig.
11.
4.
Disassemble the link assembly, consisting of the
actuator link (16), spacer (17), detent link (22), spring
(3), stop (4), and valve cup (5).
5.
Remove the detent ball (8) and spring (6). The detent
collar (7) is a press-fit and should not need removal; if
it does require replacement, you should also replace
the cover (2).
6.
Remove the reset shaft (21), o-ring (20) and washer
(18).
7.
Clean all parts and inspect for wear or damage.
Replace as needed. See Reassembly, page 19.
Fig. 11
NOTE: ALL PARTS SHOWN ARE INCLUDED
IN AIR VALVE KIT
239952
.
01431A
{
2
7
{
{
4
{
18
{
16
{
20
{
21
{
22
{
17
{
14
{
15
{
3
5
{
8
{
6
{
19
{