Havener Belt-Drive Mowers 32, 36, 48 & 52 - Manual (Page 18)

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Figure 12
32” & 36” Gear Drive
48” and 52” Gear Drive
Engine To Blade Belt Adjustment (Refer to Figure 12)
DANGER: BEFORE MAKING ANY ADJUSTMENTS AND/OR SERVICING YOUR MOWER, MAKE SURE THE
MOWER IS ON LEVEL GROUND, BLADES DISENGAGED, KEY REMOVED, AND THE ENGINE OFF WITH THE
SPARK PLUG WIRE(S) REMOVED FROM THE SPARK PLUG(S) TO PREVENT ACCIDENTAL CONTACT. IF
ADJUSTMENTS OR MAINTENANCE IS BEING PERFORMED AFTER OPERATION OF THE MOWER, ALLOW
THE UNIT TO COOL SINCE HEAT BUILD UP COULD CAUSE SEVERE BURNS.
1. Remove the deck cover and move the blade control lever on the control console to the “ON” position.
2. With approximately 10 lbs. of pressure being applied on the engine to blade belt midway between the pulleys,
(refer to the appropriate figure for your mower) the belt should move approximately 1/2”.
3. If the belt moves more than 1/2”, move the blade control lever back to the “OFF” position.
4. Remove hair pin cotter “A” and the flat washer from swivel “B” and pull the swivel from idler arm “C”.
5. Rotate swivel “B” clockwise, or towards the rear of the mower, approximately 2 to 3 turns. Reinsert swivel “B”
back into idler arm “C” and secure with the flat washer and hair pin cotter.
6. Repeat steps 1 and 2 to check for proper tension. If more tension is needed, repeat steps 3-5 until the proper
amount is achieved.
7. Replace deck cover.
!
Midway Point
Midway Point
B
A
C