JLG G5-18A Service Manual - Manual (Page 67)

5-7 G5-18A, 2505H, 25.5
Axles, Drive Shafts, Wheels and Tires
4. Oil leaking from axle
(differential housing and/or
axle housings).
1. Drain plugs loose and/or o-rings
damaged or missing.
1. Replace o-rings as needed and
tighten plugs 59 lb-ft (80 Nm).
2. Hose fittings loose. 2. Tighten fittings.
3. Axle shaft seal damaged or
missing and/or worn or
damaged shaft sealing
surfaces.
3. Replace seal and/or joint
coupling fork shaft (axle shaft).
4. Input shaft multi-seal ring
damaged or missing and/or
worn or damaged pinion (input)
shaft sealing surfaces.
4. Replace multi-seal ring and/or
input shaft. Adjust ring and
pinion alignment and bearing
preload as described in the Axle
Repair Manuals.
5. Axle casing to brake housing
and/or brake housing to
differential assembly o-rings
and/or seals worn or damaged.
5. Replace o-rings and seals.
6. Axle housing mounting nuts and
capscrews loose.
6. Tighten housing nuts and
capscrews to
236 lb-ft (320 Nm).
7. Differential and/or axle
housing(s) damaged.
7. Replace housing(s) as needed.
5. Oil leaking from wheel end
housing (planet carrier).
1. Oil level plugs loose and/or
o-rings damaged or missing.
1. Replace o-rings as needed and
tighten plugs to 59 lb-ft (80 Nm).
2. O-ring between hub and
housing (planet carrier)
damaged or missing.
2. Replace o-ring.
3. Shaft seal damaged or missing
and/or worn or damaged shaft
sealing surfaces.
3. Replace seal and/or fork joint
shaft.
4. Housing capscrews loose. 4. Tighten housing capscrews to
41 lb-ft (55 Nm).
5. Housing (planet carrier) damaged. 5. Replace housing (planet carrier).
6. Oil leaking from steering
cylinder.
1. Hose fittings loose. 1. Tighten fittings.
2. Steering cylinder o-rings and/or
seals worn or damaged.
2. Replace o-rings and seals.
3. Piston rod seal worn or
damaged.
3. Replace piston rod seal.
4. Cylinder tube damaged. 4. Replace cylinder tube.
5.4.7 Axle Assembly and Drive Shaft Troubleshooting (Continued)
Problem Possible Causes Remedy