{"id":3469,"date":"2016-02-09T07:11:27","date_gmt":"2016-02-09T07:11:27","guid":{"rendered":"http:\/\/www.forkliftaccessories.com\/forkliftblog\/?p=3469"},"modified":"2023-11-14T21:20:18","modified_gmt":"2023-11-15T03:20:18","slug":"ansiitsdf-inspection-repair-and-testing-guidelines","status":"publish","type":"post","link":"https:\/\/www.forkliftaccessories.com\/forkliftblog\/ansiitsdf-inspection-repair-and-testing-guidelines\/","title":{"rendered":"ANSI\/ITSDF Inspection, Repair and Testing Guidelines"},"content":{"rendered":"
\"The<\/a>

The ANSI and ITSDF have guidelines concerning the repair and testing of forks.<\/p><\/div>\n

Last time we discussed a number of standards and inspection guidelines of the American National Standards Institute <\/a>(ANSI) and the Industrial Truck Standards Development Foundation<\/a> (ITSDF) pertaining to fork attachments<\/a> or extensions.<\/p>\n

In this article we will be discussing ANSI and ITSDF Safety Guidelines pertaining to repair and testing.<\/p>\n

Repair and Testing
\nANSI\/ITSDF B56.1 2012
\n6.2.8.2 Repair and Testing<\/p>\n

(a) Repair
\nOnly the manufacturer of the fork, or an expert of equal competence, shall decide if a fork may be repaired for continued use, and repairs shall only be carried out by such parties. It is not recommended that surface cracks or wear be repaired by welding. When repairs necessitating resetting are required, the fork shall subsequently be subjected to an appropriate heat treatment as necessary.
\n(b) Test Loading
\nA fork that has undergone repairs, other than repair of replacement of the positioning lock and\/or the marking, shall only be returned to service after being submitted to, and passing, the tests described in paragraph 7.27.3, except that the test load shall correspond to 2.5 times the rated capacity marked on the fork.<\/p>\n

Inspect for surface cracks
\nPay special attention to the heel and welds attaching all mounting components to the fork blank. Forks with surface cracks should not be returned to service.<\/p>\n

Straightness
\nCheck for straightness of blade and shank.
\nFork should be withdrawn from service if the deviation from straightness exceeds allowable \u201cA\u201d and \u201cB\u201d values. Outside jaws 100%. Inside jaws 90%.
\nAllowable \u201cA\u201d = (.005) x (S)
\nAllowable \u201cB\u201d = (.005) x (L)
\nExample:
\n48\u201d or 1,219 mm long blade
\nAllowable A = (.005) x (48\u201d) = .24\u201d
\nAllowable B = (.005) x (1,219) = 6.10mm<\/p>\n

Fork Angle 3\u00b0
\nCheck for excessive fork angle.
\nIf the deviation from straightness exceeds allowable values (3\u00b0), the fork should be withdrawn from service.<\/p>\n

Tip Alignment 3%
\nCheck tip alignment.
\nWhen the difference in height of the tips of a pair of forks on the same carriage exceeds 3% of the forks blade length, then the forks should be removed from service until repair in accordance with ANSI\/ITSDF B-56.1, 6.2.8.2.<\/p>\n

Length
\nTip height difference of a pair of forks<\/p>\n

Lock Damage
\nCheck for positioning lock damage.
\nCheck the positioning lock and other fork retention devices to ensure they are in place and in working order.<\/p>\n

Markings
\nCheck for marking (stamping).
\nIf the fork identification marking is not clearly readable, it should be renewed.<\/p>\n

Fork Hooks
\nCheck for wear\/straightness of fork hooks.<\/p>\n

What Not to Do
\n\u00b7 Do not overload the fork beyond its rated capacity.
\n\u00b7 Do not change fork from one lift truck to another without knowing capacities of each truck and fork.
\n\u00b7 Do not use a fork in an application for which it is not designed.
\n\u00b7 Do not add a fork extension longer than 150% of the supporting fork\u2019s length.
\n\u00b7 Do not try to repair or modify forks in the field, especially by welding. Improper welding destroys heat treat properties and makes the forks brittle.
\n\u00b7 Do not carry full or partial loads on one fork.
\n\u00b7 Do not apply sideways pressure to forks, commonly called \u201cside loading,\u201d as they are designed for vertical loading only.<\/p>\n","protected":false},"excerpt":{"rendered":"

Last time we discussed a number of standards and inspection guidelines of the American National Standards Institute (ANSI) and the Industrial Truck Standards Development Foundation (ITSDF) pertaining to fork attachments or extensions. In this article we will be discussing ANSI and ITSDF Safety Guidelines pertaining to repair and testing. Repair and Testing ANSI\/ITSDF B56.1 2012 […]<\/p>\n","protected":false},"author":16,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13,24],"tags":[9,25],"class_list":["post-3469","post","type-post","status-publish","format-standard","hentry","category-forklift-attachments-2","category-forklift-safety","tag-forklift-attachments","tag-forklift-safety-2"],"yoast_head":"\nANSI\/ITSDF Inspection, Repair and Testing Guidelines - ForkliftAccessories.com Blog<\/title>\n<meta name=\"description\" content=\"The Industrial Truck Standards Development Foundation and American National Standards Institute have guidelines on the repair and testing of forks.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.forkliftaccessories.com\/forkliftblog\/ansiitsdf-inspection-repair-and-testing-guidelines\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ANSI\/ITSDF Inspection, Repair and Testing Guidelines - 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