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Installation Instructions

Roller Bar Mower Kit

Leveling The  Mower

If the cut is uneven, the mower may need leveling.
Unequal or improper tire pressure may also cause an
uneven cut. Make sure tire pressure is correct as speci-
fied in Checking Tire Pressure.

SIDE-TO-SIDE LEVELING

1. With the mower installed, place the tractor on a

smooth, level surface such as a concrete floor. Turn
the front wheels straight forward.

2. Check for bent blades and replace if necessary.

3. Place the mower in mid-cut position. Arrange the out-

side mower blades so that they are pointing from
side-to-side.

4. Measure the distance between the outside tips of

each blade and the ground. If there is more than 1/8”
(3mm) difference between the measurements on
each side, proceed to step 5. If the difference is 1/8”
(3mm) or less, proceed to step 6.

ECCENTRIC NUT MODELS

5. See Figure 8. Loosen the outside nut (A). Turn the

eccentric nut (B) to raise or lower left-hand side of
mower. When mower is level, hold the eccentric nut
while tightening the outside nut.

NOTE: 44”, 50”, & 54” Mowers. When using a turbo col-
lection system, raise the discharge side of the mower
approximately 1/4” (6mm) to compensate for turbo
assembly weight. Check the level of the cut grass and
adjust the 1/4” (6mm) measurement as necessary for a
smooth, even cut.

FRONT-TO-BACK LEVELING

NOTE: 54” mowers have two adjustment rods that
should be adjusted simultaneously.

6. Arrange the blades so they face front-to-back.

7. Measure the distance from the ground to the front tip

of the center blade, and from the ground to rear tips
of left-hand and right-hand blades. 

Front tip of the center blade should be 1/4" (6mm)
higher than rear tips of left-hand and right-hand
blades.  If not, proceed with steps 8 - 9.

8. To raise front of mower deck, loosen front nut (B) and

turn rear nut (A, Figure 10) against bracket.  To lower
front of mower deck, loosen rear nut (A) and the
bracket will move backwards to lengthen rod.

Figure 8. Leveling The Mower Side-to-Side Eccentric
Nut Models
A. Outside Nut

B. Eccentric Nut

Figure 10. Front to Back Leveling
A. Rear Nut

B. Front Nut

A

B

9. Re-check the blade measurement then tighten the

front nut (B) against the bracket to secure.

M A N U F A C T U R I N G ,   I N C .

500 N Spring Street / PO Box 997
Port Washington, WI 53074-0997  USA

Form No. 1727716

Revision:02

TP 200-4144-02-SK-SMAN

Briggs & Stratton Yard Power Products Group 

Copyright © 2007  Briggs & Stratton Corporation

Milwaukee, WI USA.  All Rights Reserved

B

A

Summary of Contents for 1687077

Page 1: ...13 7 ROLLER 10 1704074A 1 BAR 11 1931352 1 CARRIAGE BOLT 3 8 16 x 1 1 2 12 1731383A 2 CAPSCREW Hex 5 16 18 x 1 1 2 13 1919381 4 WASHER 5 16 14 1731384 2 LOCKNUT ESNA 5 16 18 15 1731383 2 CHAIN 2 Link 16 1704080 1 PLATE Support 17 1733521A 1 ROCKER SHAFT 44 Mower 18 1930644 2 LOCKNUT 1 2 13 19 1602946 2 SPACER This kit is is to convert a frame hung mower to a roller bar mower 1 6 2 3 4 5 2 16 11 10...

Page 2: ...screws 5 16 18 x 1 1 4 B Washer 5 16 C Indicator D Capscrews Locknuts E Hangers F Eccentric Nuts G Wheel Bracket Plate RH H Wheel Bracket Plate LH I Crank Trunnion Assembly J Capscrews 5 16 18 x 1 1 4 K Arm L Height of Cut Plate M Lockwasher 5 16 N Nut 5 16 18 O Hair Pin P Locknuts 1 2 13 Q Stop Height Of Cut R Clevis Pin S Adjustment Rod T Rocker Arm Assembly U Washer 3 8 Small V Strap W Locknut ...

Page 3: ... M using 5 16 18 x 1 1 2 capscrews U washers Y and 5 16 18 locknuts W as shown 3 Place upper trunnion on crank trunnion assembly E through hole in rocker arm assembly M and roller bar assembly P as shown Secure with 1 2 13 locknut O 4 Place lower trunnion on crank trunnion assembly C through hole in mower deck and roller bar assem bly P as shown Secure with 1 2 13 locknut O R A N T S U B V B W 5 C...

Page 4: ...pulley 4 Pull down on the lift hooks A Figure 4 and unhook the lift chains B 5 Turn the wheels straight ahead Pull back on spring loaded lever B Figure 5 and lift mower hitch off of the tractor brackets A 6 Turn wheels fully left and slide mower deck out from under the right side of the tractor WARNING Engage parking brake disengage PTO stop engine and remove key before attempting to install or re...

Page 5: ...ck under the right side of tractor so that the mower hitch is aligned with front tractor hitch A Figure 5 3 See Figure 5 Turn wheels straight Pull back on the spring loaded lever B while lifting up on the mower hitch Install the mower hitch onto tractor hitch brack ets A When properly installed the spring loaded lever should seat fully underneath the brackets A 4 See Figure 4 Connect the mower lif...

Page 6: ...e mower approximately 1 4 6mm to compensate for turbo assembly weight Check the level of the cut grass and adjust the 1 4 6mm measurement as necessary for a smooth even cut FRONT TO BACK LEVELING NOTE 54 mowers have two adjustment rods that should be adjusted simultaneously 6 Arrange the blades so they face front to back 7 Measure the distance from the ground to the front tip of the center blade a...

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