Havener Pistol-Grip Hydro Walk-Behind Mower 36, 48 & 52 - Manual (Page 18)

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SERVICE ADJUSTMENTS
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 CON-
TACT. 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.
Engine To Blade Belt Adjustment For 36” (Refer to Figure 14)
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 blade rod “D” and pull the blade rod from idler arm “C”.
5. Loosen nut and rotate turn buckle tube “B” clockwise, or towards the rear of the idler pulley, approximately
2 to 3 turns. Then tighten the nut. Reinsert blade rod “D” back into idler arm “C” and secure with the flat washer
and hair pin cotter “A”.
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. Move the blade control lever in the control console to the “OFF” position, check the brake pulley hoof that
should join closed with pulley, if not adjust nut “E”. Mount the blade control lever to the “ON” position. and
check that the brake pulley hoof can’t touch with the pulley.
8. Replace deck cover.
!
Figure 14