Ryobi RY40104 Manual

995000582
5-16-18 (REV:01)
WIRING HARNESS REPLACEMENT
See Figures 1 - 10.
WARNING:
Carefully follow all of the steps below and avoid pinching or dam-
aging any wire insulation. Damaged wiring can result in the lawn
mower not functioning properly and cause serious personal injury
or damage to the lawn mower.
NOTICE:
The steps described in this instruction sheet should only be per-
formed by a qualified service center.
Remove the battery pack from the mower.
Remove the 4 screws (A) securing the bumper (B) to the deck
cover. Remove the bumper and set aside.
Remove the 2 screws (C) securing the height adjustment handle
(D). Remove the handle and set aside.
Remove the 10 screws (E) securing the deck cover (F) to the mower
base.
Lift the deck cover to one side. Remove any shrink tubing and/or
zip ties securing the 2 connections (G, H) shown.
Pull the connections (G, H) apart, then remove the deck cover
completely from the mower base.
Disconnect the wires (I) from the key holder (J).
Use a flat head screwdriver to lift the tab (K) and release the battery
base connector (L) from the deck cover. The old wiring harness
can now be discarded.
On the underside of the deck cover, remove the 2 screws (M)
securing the key holder (J). Remove the key holder from the deck
cover.
Feed the battery base connector wires (N) of the new wiring har-
ness through the opening on the deck cover so the wires are on
the underside of the cover. The battery base connector will click
into place when fully seated.
Install the new key holder (O), tightening screws securely.
Plug the two battery base terminals (P) into the key holder.
Reconnect the other connections (G, H) separated previously. For
connection G, move the provided shrink tubing over the connection
and use a heat gun to shrink, or cover with electrical tape to secure.
Reinstall the deck cover, tightening screws securely.
Reinstall the height adjustment handle, tightening screws securely.
Reinstall the bumper, tightening screws securely.
TECHTRONIC INDUSTRIES
POWER EQUIPMENT
P.O. Box 1288, Anderson, SC 29622 USA
1-800-860-4050  www.ryobitools.com
RY40104
Fig. 2
Fig. 3
A
B
C
M
D
J
O
E
K
L
F
N
G
H
P
F
Fig. 1
Fig. 4
Fig. 5
Fig. 7
Fig. 8
Fig. 6
I
J
Fig. 9 Fig. 10

Ryobi RY40104 Specifications

General

Battery Voltage	40V
Cutting Width	20 inches
Deck Material	Steel
Type	Electric
Cutting Height Adjustments	6 positions