Chrysler Repair: i need help, belt tension gauge, 99 chrysler lhs

Question
i have a '99 Chrysler LHS with a 6.24 valve 3.5 liter high outtake. i got a serpentine belt today and i don't know how to put it on or take the old one off. the belt number is 6PK1345 530K6. the brand name is duralast. i think i know how to change it but i just wanted a second opinion before i tear my car apart

Answer
ACCESSORY DRIVE BELT - 3.2L
The Poly-V generator/power steering belt has an adjustable tensioner pulley located on the front timing belt cover.

REMOVAL
1.Loosen tensioner pulley locking nut.
2.Raise vehicle on hoist.
3.Remove the two (2) push clips attaching lower air shield to engine cradle. Remove air shield.
4.Loosen tensioner adjusting bolt until the accessory belt can be removed.
INSTALLATION
1.Install accessory drive belt
NOTE: Use Special Tool 7198, Belt Tension Gauge to obtain proper tension on accessory drive belt. Refer to Belt Tension Chart.

2.Tighten adjusting bolt until the specified tension is obtained.
3.Install lower air shield and attaching push clips.
4.Lower vehicle.
5.Tighten tensioner pulley locking nut
BELT TENSION CHART - 3.2L
POLY-V BELT GAUGE
Accessory Drive Belt New Belt: 836 ±44 N(190 ±10 lbs.)
Used Belt: 534 N (120 lbs.)  
V-BELT GAUGE
Air Conditioning Belt New Belt: 667 ±44 N(150 ±10 lbs.)
Used Belt: 534 N (120 lbs.)



AIR CONDITIONING BELT - 3.2L ENGINE
REMOVAL
1.Remove accessory drive belt to gain access to the air conditioning drive belt. Refer to procedure outlined in this section.
2.To remove air conditioning compressor drive belt, first loosen the tensioner pulley lock nut, then loosen the adjusting screw to the tensioner pulley assembly until the belt can be removed Air Conditioning and Accessory Drive Belts
INSTALLATION
1.Install air conditioning belt over drive pulleys. Tighten the tensioner adjusting bolt until the belt is at specified tension using a Belt Tension Gauge. Refer to Belt Tension Chart. Tighten tensioner pulley locking nut to 54 N·m (40 ft. lbs.)
2.Install accessory drive belt and adjust to specified tension.
Air Conditioning Belt Tension Adjustment
Loosen the tensioner pulley locking nut and adjust belt tension by tightening adjusting bolt. Use Belt Tension Gauge and refer to Belt Tension Chart for specifications. Torque pulley nut to 54 N·m (40 ft. lbs.) after adjustment.