Ball Joints - General Recommendations; Front-End Alignment - PREVOST H3-41 Maintenance Manual

SECTION 16 : SUSPENSION
lithium-base grease NLGI No. 2 (Shell
Retinax LX or equivalent).
(4) Steering Knuckle (swivel assembly):
Refer to DANA SPICER MAINTENANCE
MANUAL NDS AXLES Lubrication and
Maintenance".
(5) Idler Arm and Bell Crank: Lubricate at two
fittings, one on the idler arm and the other
on the crank bell, every 6,250 miles (10
000 km) with good quality lithium-base
grease NLGI No. 2 (Shell Retinax LX or
equivalent). Apply grease gun pressure to
the fitting until lubricant appears at the top
seal.
(6) Upper A-Arm Ball Joint: Lubricate at
fitting until you see some grease on the
relief valve nearby, every 6,250 miles (10
000 km) with good quality lithium-base
grease NLGI No. 2 (Shell Retinax LX or
equivalent).
4.10 BALL JOINTS – GENERAL
RECOMMENDATIONS
Visual Inspection
Visually inspect for missing or damages
•
grease fittings and replace if required.
Check ball joint connection for missing cotter
•
pins.
Check for looseness in the ball/socket
•
assembly.
FIGURE 21: ADEQUATE CLAMPING CONDITION
For adequate clamping, the ball joint threads
must be visible the entire length of the tube slot.
If not, the drag link must be adjusted or
replaced. It is either the wrong size, or improper
32 PA1621 Maintenance Manual All Series | Section revised October 2018
adjustment was used to compensate for another
problem (e.g. bent steering arm).
Damaged sealing boots, salt and climatic
conditions can cause loss of the corrosion
protection coating
manufacturing. To prevent
forming around the ball pin, remove the old
grease bead and assure sufficient grease is
applied to purge the old grease and fill the joint
and dust seal (if applicable).
Good quality lithium-base mineral grease NLGI
No. 2 like Shell Retinax LX is recommended.
4.11

FRONT-END ALIGNMENT

Refer to Section 14: STEERING for other details.
applied at time
corrosion from
of