Presto M300, M100, M200 service manual G U R E 3 M400-10 Pump Body Complete, Part QTY Description

F I G U R E 3: M400-10 PUMP BODY COMPLETE

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

Tip: Do not swap #7 & #10.

They are machined differently

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.

See pages 7 & 8 for availability of individual items.

ITEM	PART	QTY	DESCRIPTION
NO.	NO.
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

11M413 1 Pump Check Spring

12M411 1 Plug

13M443 1 Gasket

14 M444 1 Plunger Sleeve

ITEM	PART	QTY	DESCRIPTION
NO.	NO.
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

OWNER’S MANUAL Page 10 M100, M200, M300 & M400 FOOT OPERATED LIFTS