MTD 13 7 S Series Service manual

Service Advisory MTD-214
Riders
Affected Models: Lawn Tractors With a 42 inch Mowing Deck, Model Numbers Beginning with 13, a Number 7in the
5th Model Position, and the Letter Sin the 8th Position.
Example: 13XX7XXSXXX
Affected S/N Range:
Date:
Purpose: There have been sporadic reports of excessive vibration with the mowing deck engaged. Should you receive
customer complaints of this nature, proceed with the following instructions.
N/A
September 26, 2016
NOTE: These materials are prepared for use by trained technicians who are experienced in the service and repair of
equipment of the kind described in this publication, and are not intended for use by untrained or inexperienced individu-
als. Such individuals should seek the assistance of an authorized service technician or dealer.
NOTE: Always wear eye protection while servicing equipment. Wear hearing protection when appropriate. Always work in
a well ventilated area and follow all safety precautions when dealing with combustible materials.
NOTE: Left (LH) and Right (RH) sides are determined from the operator’s position and facing in the forward direction
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Subject: Excessive Vibration with the Mowing Deck Engaged.
Corrective Action: Order from your source of supply, one of part number 783-09457, Deck Idler Bracket, and two of part
number 712-04065, Nylon Flange Lock Nut. Figure 1.
712-04065
3/8-16 Flange
Nylon Lock nut
783-09457
Deck Idler
Bracket
Figure 1
This Advisory is Fix-As-Fail
NOTE: Before proceding, verify that all other possible causes of excessive vibration such as blade balance, a worn
belt, loose, broken or missing spindle/bracket mounting hardware, failed welds of the deck hangers, damaged pul-
ley(s), etc. have been corrected.
Advisory MTD-214

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Advisory MTD-214
4. Remove the idler pulley and the shoulder spacer. Figure
3. The bolt can be removed later, with the idler bracket.
Figure 3
5. Using a spring puller or other suitable tool, unhook the
brake spring from the anchor point on the mowing deck.
6. Remove the 3/8-16x1.75” hex screw that secures the
idler bracket to the cutting deck. NOTE: The nut can be
accessed from under the cutting deck. Also remove the
pulley spacer. Figure 4.
Figure 2
Pulley Spacer
Figure 4
7. Remove the idler bracket from the mowing deck brake
rod by rotating it 180 degrees on the brake rod, to
release it from the keyhole slot in the idler bracket.
Remove the pulley mounting bolt and brake spring from
the idler bracket.
8. Transfer the brake assembly to the new idler bracket
using the existing self-tapping bolts. Tighten the bolts
securely, being careful not to over tighten them. Figure
5.
Figure 5
3/8-16 Hex Nut
Pulley Cap
Shoulder Spacer
9. Install the new idler bracket onto the mowing deck in re-
verse order of removal using the new locknuts. Tighten
all hardware securely.
10. Install the mowing deck back onto the rider per the
instructions found in the Operator’s Manual
11. Operate the rider in a safe area to verify the correct op-
eration of the mowing deck and that all safety features
are functioning correctly.
Installation Procedure:
1. Remove the mowing deck per the instructions found in
the Operator’s Manual.
2. Place the deck on a suitable deck cart or workbench
that allows access to work underneath of it.
3. Remove the 3/8-16 hex flange nylon locknut and pulley
cap from the idler pulley. Figure 2. NOTE:The bolt
head can be accessed from below the idler bracket.

Warranty: Normal warranty terms apply. Indicate Service Advisory MTD-214 and 783-08654B as the original failed part
on the claim. Repair time allowance is 0.7 hours.
Mandatory>>>>When completing the warranty claim, select the drop down text shown below for the following claim
fields:
Group Code: Implement, Housing, Lift Mech Fail Code: Vibrates
Work Performed: Blade Brake Assembly
SERVICE MANAGER PARTS MANAGER SALES MANAGER SERVICE TECH. SERVICE TECH.
Circulate and Initial
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Advisory MTD-214
THIS AREA WAS INTENTIONALLY LEFT BLANK