JLG 3507 Service Manual page 49

Problem
4. Oil leaking from axle
(differential housing and/or
axle housings).
5. Oil leaking from wheel end
housing (planet carrier).
6. Oil leaking from steering
cylinder.
3507, 3508, 3509, 3512, 3513, 4007, 4008, 4009, 4012, 4013
Axles, Drive Shafts, Wheels and Tires
Cause
1. Drain and/or inspection plugs
loose and/or o-rings damaged
or missing.
2. Hose fittings loose.
3. Axle shaft seal damaged or
missing and/or worn or
damaged shaft sealing
surfaces.
4. Input shaft multi-seal ring
damaged or missing and/or
worn or damaged pinion (input)
shaft sealing surfaces.
5. Axle casing to brake housing
and/or brake housing to
differential assembly o-rings
and/or seals worn or damaged.
6. Axle housing mounting nuts and
capscrews loose.
7. Differential and/or axle
housing(s) damaged.
1. Oil level plugs loose and/or
o-rings damaged or missing.
2. O-ring between hub and
housing (planet carrier)
damaged or missing.
3. Shaft seal damaged or missing
and/or worn or damaged shaft
sealing surfaces.
4. Housing capscrews loose.
5. Housing (planet carrier) damaged.
1. Hose fittings loose.
2. Steering cylinder o-rings and/or
seals worn or damaged.
3. Piston rod seal worn or
damaged.
4. Cylinder tube damaged.
Remedy
1. Replace o-rings as needed and
tighten plugs to 130 Nm
(96 lb-ft).
2. Tighten fittings.
3. Replace seal and/or joint
coupling fork shaft (axle shaft).
4. Replace multi-seal ring and/or
input shaft. Adjust ring and
pinion alignment and bearing
preload as described in the
Dana Repair Manuals.
5. Replace o-rings and seals.
6. Tighten housing nuts and
capscrews to 390 Nm
(288 lb-ft).
7. Replace housing(s) as needed.
1. Replace o-rings as needed and
tighten plugs to 130 Nm
(96 lb-ft).
2. Replace o-ring.
3. Replace seal and/or fork joint
shaft.
4. Tighten housing capscrews to
55 Nm (41 lb-ft).
5. Replace housing (planet carrier).
1. Tighten fittings.
2. Replace o-rings and seals.
3. Replace piston rod seal.
4. Replace cylinder tube.
Courtesy of Crane.Market
5.7