Schaerer 7300 - Typical Floor Lock Check Valve Removal; Installation

SECTION IV
MAINTENANCE / SERVICE
Page 4-71Printed in U.S.A.
(2) Install plunger (16, Figure 4-75) and spring
washers (15) in body (17) and secure with end
cap (14). Tighten end cap very lightly until
resistance is felt.
(3) Install brass spacer (13) in weldment (4).
(4) Install latch handle (12) in weldment (4).
(5) Install latch assembly (11) and spring (10) in
weldment (4) and secure with retainer cap (9).
Use spanner wrench (M07161) to tighten
retainer cap.
(6) Install spring (8) and spring retainer (7) in
weldment (4) and secure with screw (6).
(7) If removed, install either tape or plug (5).
(8) Install two cover gaskets (5, Figure 4-74) and
bridge cover (7) on R.H. and L.H. side
weldments (4); then bend lip of cover gaskets
back and install four screws (6).
(9) Install back section table top (3) on R.H. and
L.H. side weldments (4) and secure with four
screws (2).
(10) Install four plugs (1) on back section table
top (3).
4.46 Typical Floor Lock Check Valve
Removal / Installation
A. Removal
DANGER
Table is very heavy. Use an assistant
to lay table onto its side. Failure to do
so could result in serious personal injury.
(1) Lay table onto its left side.
(2) Remove six screws (1, Figure 4-76) and main
cover (2) from base weldment (3).
(3) Remove two screws (4), two screws (5),
mounting bracket (6), two spacers (7), and
partially remove manifold assembly (8) from
base weldment (3).
(4) Disconnect hose (9) from male connector (10).
(5) Remove male connector (10) from manifold
assembly (8).
(6) Using a long, thin needle nosed pliers, unscrew
guide shaft (11) and remove spring (12), washer
(13), nylon washer (14), and check valve (15)
from manifold assembly (8).
B. Installation
(1) Clean all metal components with degreasing
solution and allow to air dry. Flush out manifold
assembly (8, Figure 4-76) using clean oil.
(2) Install nylon washer (14) and washer (13) on
check valve (15).
(3) Install assembled check valve (15) and spring
(12) in manifold assembly (8) and secure with
guide shaft (11).
CAUTION
Make sure guide shaft bottoms out. Fail-
ure to do so will result in improper func-
tioning of check valve. However, do not use exces-
sive force on guide shaft to prevent damaging
components.
© Schaerer Mayfield USA, Inc. 2004