Graymills DDP 1' Pump OMI - Manual (Page 18)

18
Diaphragm Repair
Tools Required
D Torque wrench
D 10 mm socket wrench
D 19 mm socket wrench
D Adjustable wrench
D O-ring pick
D Lithium-base grease
Disassembly
NOTE: A Fluid Section Repair Kit is available. Order Kit
784–90617 for Hytrel Diaphragm Pumps and kit
784–90618 for pumps with Teflon diaphragms.
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 manifolds and disassemble the ball check
valves as explained on page 17.
3. Using a 10 mm socket wrench, remove the screws (106
and 112) holding the fluid covers (101) to the air
covers (23). Pull the fluid covers (101) off the pump.
See Fig. 12.
Figure 12
1
2
23
101
A
2
B
Arrow (A) must point toward air valve (B).
You must torque the eight long screws (106) first, then the short
screws (112). Torque to 100 to 150 in-lb (11 to 17 N.m).
1 112
106 1
04162A
113