© 2022 Pierce Manufacturing Inc. All Rights Reserved. Husky 3 Foam System / 4-21
MAINTENANCE
4-8. Quarterly Inspection
NOTE: After every three months of service (quarterly), perform the following maintenance procedure:
4-9. Annual Inspection
NOTE: Annually, perform the Quarterly inspection, then the following maintenance procedure:
3 Hydraulic System Check hydraulic tubing/hoses for leaks, loose fittings, damage, etc.
4 Foam System Plumbing Check foam system plumbing for leaks, loose fittings, damage, etc.
5 Manifold Drains Open manifold drain.
Table 4-6: Quarterly Inspection
Item No. Item to Check/Service Procedure
1 Inline Foam Strainer
NOTE: Draft/Tank Valve MUST
be in Draft Mode or the foam tank will drain out.
Remove clean-out cap and remove screen. Inspect for foreign debris. If any are
found, clean the screen with water and reinstall.
1321
Table 4-7: Annual Inspection
Item No. Item to Check/Service Procedure
1 Hydraulic Oil Sample
Obtain an oil sample and compare to previous results. If the current sample matches
previous test results, the oil does not have to be changed. Replace oil and filter
(Pierce PN 2518612) if test results indicate oil degradation.
Table 4-5: After Every Use Inspection (Continued)
Item No. Item to Check/Service Procedure
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