A volatile, non-petroleum base solvent or
3. Remove roller (F) from support (H).
talcum power may be used as a lubricant.
IMPORTANT: Replace entire roller assembly if
bushing (E) and shaft surfaces are
10. Install one half of metal face seal into support (H).
damaged. Bushing (E) is no longer
serviceable because cover (B)
11. Apply a thin coat of oil to the metal faces on each
cannot be removed.
half of the seal. (See Track Roller, Front Idler, and
Carrier Roller Oil in Group 0004.)
4. Inspect bushing (E) and shaft on support (H).
12. Install the other half of metal face seal on the half
IMPORTANT: Leaks may occur if reused seals are
already in place in support (H).
not kept together as a matched set.
13. Install roller (F) over shaft on support (H) being
5. Remove metal face seal (G) from roller (F) and
sure to keep cap screws (C) in alignment with
support (H). Keep seal rings together as a matched
holes on shaft.
set with faces together to protect surfaces.
14. Tighten cap screws (C).
6. Inspect metal face seal. (See procedure listed in
Thrust Washer-to-Support Shaft Cap Screw--Specification
this group.) Metal face seals may be reused if they
are not worn or damaged.
Torque....................................................................... 64 N·m (47 lb-ft)
7. Replace parts as necessary.
15. Fill carrier roller with approximately 85 mL (2.9 oz)
of clean oil through plug (A) hole. (See Track
IMPORTANT: O-rings may slip when roller is
Roller, Front Idler, and Carrier Roller Oil in Group
turning if O-rings and seat surfaces
are not clean, dry and oil free.
16. Clean threads of plug (B) using cure primer.
8. Thoroughly clean the O-rings and seat surfaces in
roller, support, and seal bushings using a volatile,
17. Apply pipe sealant to thread of plug. Install plug.
non-petroleum base solvent and lint-free tissue.
9. Install O-ring on seal rings.
NOTE: Current carrier roller metal face seals use a
tapered fit. There is no longer the "pop" into
place fit previously used.