Presto M400 User Manual

1

M410

1

Pump Body

2

M420

1

Reservoir Seal O Ring

3

M412

2

Pump Check Ball

4

M416A

1

Poppet

5

M417

1

Release Spring

6

M414

2

Gasket

7

M419

1

Release Bolt

8

M439

1

Pump Intake Ball

9

M438

1

Pump Intake Spring

10

M415

1

Pump Valve Bolt

11

M413

1

Pump Check Spring

12

M411

1

Plug

13

M443

1

Gasket

14

M444

1

Plunger Sleeve

15

M445

1

Plunger O Ring

16

M446

1

Plunger Nut

17

M447

1

Washer

18

M448

1

Plunger Cup

19

M407A

1

Plunger Guide Brg.

20

M407B

1

Seal O Ring

21

0457

1

Pump Plunger

22

M442

1

Release Pin

23

M440

1

Release Pin O Ring

24

M441

1

Release Pin

Back Up Ring (Split)

25

M410-D 1

Pin, Spring Roll

P/N M400-10 Pump Body Complete includes all items below.

P/N M400-30 Pump Plunger Assembly includes items 13 thru 21.

P/N M400-50 Release Pin Assembly includes items 22 thru 24.

Tip:  Do not swap
#7 & #10.

They are machined
differently

Tip:  Removal of
#22, #23, & #24
through #7 portal