Echo MS-40BD manual In-tank Filter Clamp Pressure Cylinder o-ring

7)Attach pivot lever and connection hardware to new diaphragm pump assembly. Make sure orientation is correct with slot in diaphragm cover ( Fig. 5).

8)Apply Petroleum jelly to 2 diaphragm pump o-rings (Fig. 6a). Thread diaphragm pump assembly into pressure chamber base, making sure the o-ring seats inside the pressure chamber base

(Fig. 6b-6c). Align the diaphragm pump alignment mark with the	Figure 5
pressure cylinder base alignment mark (fig.6d).
The slot in the diaphragm cover will also be in alignment.

Diaphragm Cover Slot

O-rings

Figure 6a

O-ring

Figure 6b

Diaphragm Pump	Pressure Cylinder Base
Alignment Mark	Alignment Mark

Pressure

Cylinder Base

Figure 6c Figure 6d

Diaphragm

Cover Slot

9)Re-assemble pump shaft (see step 3).

10)Re-attach pivot lever to pump shaft (see step 2).

DISASSEMBLING AND REPAIRING THE PUMP ASSEMBLY

Only remove the pressure cylinder if the cartridge filter is clogged or the sprayer is leaking from where the pressure cylinder o-ring and tank meet.

1.Release the pressure from the sprayer and remove all liquid from both the pressure cylinder and tank.

2.Remove Hose

3.Remove the In-tank Filter from the pressure cylinder (located inside tank fig 1).

4.Remove the large clamp holding the pressure cylinder and tank together (fig 1).

5.Rock the pressure cylinder back and forth and push down forcefully to free it from the tank (fig 1).

6.Once freed the entire assembly can be removed by angling and maneuvering it through the base frame (fig 3a & 3b).

In-tank Filter

Clamp

Pressure Cylinder o-ring

Figure 1 Figure 2 Figure 3a Figure 3b

8E